EBK ALGEBRA FOUNDATIONS
15th Edition
ISBN: 9780321978929
Author: Martin-Gay
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 7.2, Problem 13ES
To determine
Area of the continent Australia
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Safari
File Edit View History
Bookmarks
Window
Help
Ο Ω
OV
O mA
0 mW
ర
Fri Apr 4 1
222
tv
A
F9
F10
DII
4
F6
F7
F8
7
29
8
00
W
E
R
T
Y
U
S
D
பட
9
O
G
H
J
K
E
F11
+ 11
F12
O
P
}
[
So confused. Step by step instructions please
In simplest terms, Sketch the graph of the parabola. Then, determine its equation.
opens downward, vertex is (- 4, 7), passes through point (0, - 39)
Chapter 7 Solutions
EBK ALGEBRA FOUNDATIONS
Ch. 7.1 - Fill in each blank with one of the choices below....Ch. 7.1 - Prob. 2VRVCCh. 7.1 - Prob. 3VRVCCh. 7.1 - Prob. 4VRVCCh. 7.1 - Prob. 1ESCh. 7.1 - Prob. 2ESCh. 7.1 - Prob. 3ESCh. 7.1 - Prob. 4ESCh. 7.1 - Prob. 5ESCh. 7.1 - Prob. 6ES
Ch. 7.1 - Prob. 7ESCh. 7.1 - Prob. 8ESCh. 7.1 - Prob. 9ESCh. 7.1 - Prob. 10ESCh. 7.1 - Prob. 11ESCh. 7.1 - Prob. 12ESCh. 7.1 - Prob. 13ESCh. 7.1 - Prob. 14ESCh. 7.1 - Prob. 15ESCh. 7.1 - Prob. 16ESCh. 7.1 - Prob. 17ESCh. 7.1 - Prob. 18ESCh. 7.1 - Prob. 19ESCh. 7.1 - Prob. 20ESCh. 7.1 - Prob. 21ESCh. 7.1 - Prob. 22ESCh. 7.1 - Prob. 23ESCh. 7.1 - Prob. 24ESCh. 7.1 - Prob. 25ESCh. 7.1 - Prob. 26ESCh. 7.1 - Prob. 27ESCh. 7.1 - Prob. 28ESCh. 7.1 - Prob. 29ESCh. 7.1 - Prob. 30ESCh. 7.1 - Prob. 31ESCh. 7.1 - Prob. 32ESCh. 7.1 - Prob. 33ESCh. 7.1 - Prob. 34ESCh. 7.1 - Prob. 35ESCh. 7.1 - Prob. 36ESCh. 7.1 - Prob. 37ESCh. 7.1 - Prob. 38ESCh. 7.1 - Prob. 39ESCh. 7.1 - Prob. 40ESCh. 7.1 - Prob. 41ESCh. 7.1 - Prob. 42ESCh. 7.1 - Prob. 43ESCh. 7.1 - Prob. 44ESCh. 7.1 - Prob. 45ESCh. 7.1 - Prob. 46ESCh. 7.1 - Prob. 47ESCh. 7.1 - Prob. 48ESCh. 7.1 - Prob. 49ESCh. 7.1 - Prob. 50ESCh. 7.1 - The following list shows the golf scores for an...Ch. 7.1 - The following list shows the golf scores for an...Ch. 7.1 - Prob. 53ESCh. 7.1 - The following list shows the golf scores for an...Ch. 7.1 - Prob. 55ESCh. 7.1 - Prob. 56ESCh. 7.1 - Prob. 57ESCh. 7.1 - Prob. 58ESCh. 7.1 - Prob. 59ESCh. 7.1 - Prob. 60ESCh. 7.1 - Prob. 61ESCh. 7.1 - Prob. 62ESCh. 7.1 - Prob. 63ESCh. 7.1 - Prob. 64ESCh. 7.1 - Prob. 65ESCh. 7.1 - Prob. 66ESCh. 7.1 - Prob. 67ESCh. 7.1 - Prob. 68ESCh. 7.1 - Prob. 69ESCh. 7.1 - Prob. 70ESCh. 7.1 - Prob. 71ESCh. 7.1 - Prob. 72ESCh. 7.1 - Prob. 73ESCh. 7.1 - Prob. 74ESCh. 7.1 - Prob. 75ESCh. 7.1 - Prob. 76ESCh. 7.1 - Prob. 77ESCh. 7.1 - Prob. 78ESCh. 7.1 - Prob. 79ESCh. 7.1 - Prob. 80ESCh. 7.1 - Prob. 81ESCh. 7.1 - Prob. 82ESCh. 7.1 - Prob. 83ESCh. 7.1 - Prob. 84ESCh. 7.1 - Prob. 85ESCh. 7.1 - Prob. 86ESCh. 7.2 - Prob. 1VRVCCh. 7.2 - Prob. 2VRVCCh. 7.2 - Prob. 3VRVCCh. 7.2 - Prob. 4VRVCCh. 7.2 - Prob. 1ESCh. 7.2 - Prob. 2ESCh. 7.2 - Prob. 3ESCh. 7.2 - Prob. 4ESCh. 7.2 - Prob. 5ESCh. 7.2 - Prob. 6ESCh. 7.2 - Prob. 7ESCh. 7.2 - Prob. 8ESCh. 7.2 - Prob. 9ESCh. 7.2 - Prob. 10ESCh. 7.2 - Prob. 11ESCh. 7.2 - Prob. 12ESCh. 7.2 - Prob. 13ESCh. 7.2 - Prob. 14ESCh. 7.2 - Prob. 15ESCh. 7.2 - Prob. 16ESCh. 7.2 - Prob. 17ESCh. 7.2 - Prob. 18ESCh. 7.2 - Prob. 19ESCh. 7.2 - Prob. 20ESCh. 7.2 - Prob. 21ESCh. 7.2 - Prob. 22ESCh. 7.2 - Prob. 23ESCh. 7.2 - Prob. 24ESCh. 7.2 - Prob. 25ESCh. 7.2 - Prob. 26ESCh. 7.2 - Prob. 27ESCh. 7.2 - Prob. 28ESCh. 7.2 - Prob. 29ESCh. 7.2 - Prob. 30ESCh. 7.2 - Prob. 31ESCh. 7.2 - Prob. 32ESCh. 7.2 - Prob. 33ESCh. 7.2 - Prob. 34ESCh. 7.2 - Prob. 35ESCh. 7.2 - Prob. 36ESCh. 7.2 - Prob. 37ESCh. 7.2 - Prob. 38ESCh. 7.2 - Prob. 39ESCh. 7.2 - Prob. 40ESCh. 7.2 - Prob. 41ESCh. 7.2 - Prob. 42ESCh. 7.2 - Prob. 43ESCh. 7.2 - Prob. 44ESCh. 7.2 - Prob. 45ESCh. 7.2 - Prob. 46ESCh. 7.2 - Prob. 47ESCh. 7.2 - Prob. 48ESCh. 7.3 - Prob. 1VRVCCh. 7.3 - Prob. 2VRVCCh. 7.3 - Prob. 3VRVCCh. 7.3 - Prob. 4VRVCCh. 7.3 - Prob. 5VRVCCh. 7.3 - Prob. 6VRVCCh. 7.3 - Prob. 7VRVCCh. 7.3 - Prob. 8VRVCCh. 7.3 - Prob. 1ESCh. 7.3 - Prob. 2ESCh. 7.3 - Prob. 3ESCh. 7.3 - Prob. 4ESCh. 7.3 - Prob. 5ESCh. 7.3 - Prob. 6ESCh. 7.3 - Prob. 7ESCh. 7.3 - Prob. 8ESCh. 7.3 - Prob. 9ESCh. 7.3 - Prob. 10ESCh. 7.3 - Prob. 11ESCh. 7.3 - Prob. 12ESCh. 7.3 - Prob. 13ESCh. 7.3 - Prob. 14ESCh. 7.3 - Prob. 15ESCh. 7.3 - Prob. 16ESCh. 7.3 - Prob. 17ESCh. 7.3 - Prob. 18ESCh. 7.3 - Prob. 19ESCh. 7.3 - Prob. 20ESCh. 7.3 - Prob. 21ESCh. 7.3 - Prob. 22ESCh. 7.3 - Prob. 23ESCh. 7.3 - Prob. 24ESCh. 7.3 - Prob. 25ESCh. 7.3 - Prob. 26ESCh. 7.3 - Prob. 27ESCh. 7.3 - Prob. 28ESCh. 7.3 - Prob. 29ESCh. 7.3 - Prob. 30ESCh. 7.3 - Prob. 31ESCh. 7.3 - Prob. 32ESCh. 7.3 - Prob. 33ESCh. 7.3 - Prob. 34ESCh. 7.3 - Prob. 35ESCh. 7.3 - Prob. 36ESCh. 7.3 - Prob. 37ESCh. 7.3 - Prob. 38ESCh. 7.3 - Prob. 39ESCh. 7.3 - Prob. 40ESCh. 7.3 - Prob. 41ESCh. 7.3 - Prob. 42ESCh. 7.3 - Prob. 43ESCh. 7.3 - Prob. 44ESCh. 7.3 - Prob. 45ESCh. 7.3 - Prob. 46ESCh. 7.3 - Prob. 47ESCh. 7.3 - Prob. 48ESCh. 7.3 - Prob. 49ESCh. 7.3 - Prob. 50ESCh. 7.3 - Prob. 51ESCh. 7.3 - Prob. 52ESCh. 7.3 - Prob. 53ESCh. 7.3 - Prob. 54ESCh. 7.3 - Prob. 55ESCh. 7.3 - Prob. 56ESCh. 7.3 - Prob. 57ESCh. 7.3 - Prob. 58ESCh. 7.3 - Prob. 59ESCh. 7.3 - Prob. 60ESCh. 7.3 - Prob. 61ESCh. 7.3 - Prob. 62ESCh. 7.3 - Prob. 63ESCh. 7.3 - Prob. 64ESCh. 7.3 - Prob. 65ESCh. 7.3 - Prob. 66ESCh. 7.3 - Prob. 67ESCh. 7.3 - Prob. 68ESCh. 7.3 - Prob. 69ESCh. 7.3 - Prob. 70ESCh. 7.3 - Prob. 71ESCh. 7.3 - Prob. 72ESCh. 7.3 - Prob. 73ESCh. 7.4 - Prob. 1VRVCCh. 7.4 - Prob. 2VRVCCh. 7.4 - Prob. 3VRVCCh. 7.4 - Prob. 4VRVCCh. 7.4 - Prob. 5VRVCCh. 7.4 - Objective A Determine whether each pair of...Ch. 7.4 - Prob. 2ESCh. 7.4 - Prob. 3ESCh. 7.4 - Prob. 4ESCh. 7.4 - Prob. 5ESCh. 7.4 - Prob. 6ESCh. 7.4 - Prob. 7ESCh. 7.4 - Prob. 8ESCh. 7.4 - Prob. 9ESCh. 7.4 - Prob. 10ESCh. 7.4 - Prob. 11ESCh. 7.4 - Prob. 12ESCh. 7.4 - Prob. 13ESCh. 7.4 - Prob. 14ESCh. 7.4 - Prob. 15ESCh. 7.4 - Prob. 16ESCh. 7.4 - Prob. 17ESCh. 7.4 - Prob. 18ESCh. 7.4 - Prob. 19ESCh. 7.4 - Prob. 20ESCh. 7.4 - Prob. 21ESCh. 7.4 - Prob. 22ESCh. 7.4 - Prob. 23ESCh. 7.4 - Prob. 24ESCh. 7.4 - Prob. 25ESCh. 7.4 - Prob. 26ESCh. 7.4 - Prob. 27ESCh. 7.4 - Prob. 28ESCh. 7.4 - Prob. 29ESCh. 7.4 - Prob. 30ESCh. 7.4 - Prob. 31ESCh. 7.4 - Prob. 32ESCh. 7.4 - Prob. 33ESCh. 7.4 - Prob. 34ESCh. 7.4 - Prob. 35ESCh. 7.4 - Prob. 36ESCh. 7.4 - Prob. 37ESCh. 7.4 - Prob. 38ESCh. 7.4 - Prob. 39ESCh. 7.4 - Prob. 40ESCh. 7.4 - Prob. 41ESCh. 7.4 - Prob. 42ESCh. 7.4 - Prob. 43ESCh. 7.4 - Prob. 44ESCh. 7.4 - Prob. 45ESCh. 7.4 - Prob. 46ESCh. 7.4 - Prob. 47ESCh. 7.4 - Prob. 48ESCh. 7.4 - Prob. 49ESCh. 7.4 - Prob. 50ESCh. 7.5 - Prob. 1VRVCCh. 7.5 - Prob. 2VRVCCh. 7.5 - Prob. 3VRVCCh. 7.5 - Prob. 4VRVCCh. 7.5 - Prob. 5VRVCCh. 7.5 - Prob. 1ESCh. 7.5 - Prob. 2ESCh. 7.5 - Prob. 3ESCh. 7.5 - Prob. 4ESCh. 7.5 - Prob. 5ESCh. 7.5 - Prob. 6ESCh. 7.5 - Prob. 7ESCh. 7.5 - Prob. 8ESCh. 7.5 - Prob. 9ESCh. 7.5 - Prob. 10ESCh. 7.5 - Prob. 11ESCh. 7.5 - Prob. 12ESCh. 7.5 - Prob. 13ESCh. 7.5 - Prob. 14ESCh. 7.5 - Prob. 15ESCh. 7.5 - Prob. 16ESCh. 7.5 - Prob. 17ESCh. 7.5 - Prob. 18ESCh. 7.5 - Prob. 19ESCh. 7.5 - Prob. 20ESCh. 7.5 - Prob. 21ESCh. 7.5 - Prob. 22ESCh. 7.5 - Prob. 23ESCh. 7.5 - Prob. 24ESCh. 7.5 - Prob. 25ESCh. 7.5 - Prob. 26ESCh. 7.5 - Prob. 27ESCh. 7.5 - Prob. 28ESCh. 7.5 - Prob. 29ESCh. 7.5 - Prob. 30ESCh. 7.5 - Prob. 31ESCh. 7.5 - Prob. 32ESCh. 7.5 - Prob. 33ESCh. 7.5 - Prob. 34ESCh. 7.5 - Prob. 35ESCh. 7.5 - Prob. 36ESCh. 7.5 - Prob. 37ESCh. 7.5 - Prob. 38ESCh. 7.5 - Prob. 39ESCh. 7.5 - Prob. 40ESCh. 7.5 - Prob. 41ESCh. 7.5 - Prob. 42ESCh. 7.5 - Prob. 43ESCh. 7.5 - Prob. 44ESCh. 7.5 - Prob. 45ESCh. 7.5 - Prob. 46ESCh. 7.5 - Prob. 47ESCh. 7.5 - Prob. 48ESCh. 7.5 - Prob. 49ESCh. 7.5 - Prob. 50ESCh. 7.5 - Prob. 51ESCh. 7.5 - Prob. 52ESCh. 7.5 - Prob. 53ESCh. 7.5 - Prob. 54ESCh. 7 - Prob. 1IRCh. 7 - Prob. 2IRCh. 7 - The following pictograph shows the six occupations...Ch. 7 - The following pictograph shows the six occupations...Ch. 7 - The following bar graph shows the highes U.S....Ch. 7 - The following bar graph shows the highes U.S....Ch. 7 - The following bar graph shows the highes U.S....Ch. 7 - Prob. 8IRCh. 7 - Prob. 9IRCh. 7 - The following line graph shows the annual...Ch. 7 - The following line graph shows the daily high...Ch. 7 - The following line graph shows the daily high...Ch. 7 - Prob. 13IRCh. 7 - Prob. 14IRCh. 7 - Prob. 15IRCh. 7 - Prob. 16IRCh. 7 - Prob. 17IRCh. 7 - Prob. 18IRCh. 7 - The following list shows weekly quiz scores for a...Ch. 7 - Prob. 20IRCh. 7 - Prob. 21IRCh. 7 - Prob. 22IRCh. 7 - Prob. 1VCCh. 7 - Prob. 2VCCh. 7 - Prob. 3VCCh. 7 - Prob. 4VCCh. 7 - Prob. 5VCCh. 7 - Prob. 6VCCh. 7 - Prob. 7VCCh. 7 - Prob. 8VCCh. 7 - Prob. 9VCCh. 7 - Prob. 10VCCh. 7 - Prob. 11VCCh. 7 - Fill in each blank with one of the words or...Ch. 7 - Prob. 13VCCh. 7 - Prob. 14VCCh. 7 - Prob. 15VCCh. 7 - Prob. 1RCh. 7 - Prob. 2RCh. 7 - Prob. 3RCh. 7 - Prob. 4RCh. 7 - Prob. 5RCh. 7 - Prob. 6RCh. 7 - Prob. 7RCh. 7 - Prob. 8RCh. 7 - Prob. 9RCh. 7 - Prob. 10RCh. 7 - Prob. 11RCh. 7 - Prob. 12RCh. 7 - Prob. 13RCh. 7 - Prob. 14RCh. 7 - Prob. 15RCh. 7 - Prob. 16RCh. 7 - Prob. 17RCh. 7 - Prob. 18RCh. 7 - Prob. 19RCh. 7 - Prob. 20RCh. 7 - Prob. 21RCh. 7 - Prob. 22RCh. 7 - Prob. 23RCh. 7 - Use the table from Exercises 21-23 to draw a...Ch. 7 - Prob. 25RCh. 7 - Prob. 26RCh. 7 - Prob. 27RCh. 7 - Prob. 28RCh. 7 - Prob. 29RCh. 7 - Prob. 30RCh. 7 - Prob. 31RCh. 7 - Prob. 32RCh. 7 - Prob. 33RCh. 7 - Prob. 34RCh. 7 - Prob. 35RCh. 7 - Prob. 36RCh. 7 - Prob. 37RCh. 7 - Prob. 38RCh. 7 - Prob. 39RCh. 7 - Prob. 40RCh. 7 - Prob. 41RCh. 7 - Prob. 42RCh. 7 - Prob. 43RCh. 7 - Prob. 44RCh. 7 - Prob. 45RCh. 7 - Prob. 46RCh. 7 - Prob. 47RCh. 7 - Prob. 48RCh. 7 - Prob. 49RCh. 7 - Prob. 50RCh. 7 - Prob. 51RCh. 7 - Prob. 52RCh. 7 - Prob. 53RCh. 7 - Prob. 54RCh. 7 - Prob. 55RCh. 7 - Prob. 56RCh. 7 - Prob. 57RCh. 7 - Prob. 58RCh. 7 - Prob. 59RCh. 7 - Prob. 60RCh. 7 - Prob. 61RCh. 7 - Prob. 62RCh. 7 - Prob. 63RCh. 7 - Prob. 64RCh. 7 - Prob. 65RCh. 7 - Prob. 66RCh. 7 - Prob. 67RCh. 7 - Prob. 68RCh. 7 - Prob. 69RCh. 7 - Prob. 70RCh. 7 - Prob. 71RCh. 7 - Prob. 72RCh. 7 - Prob. 73RCh. 7 - Prob. 74RCh. 7 - Prob. 75RCh. 7 - Prob. 76RCh. 7 - Prob. 77RCh. 7 - Prob. 78RCh. 7 - Prob. 79RCh. 7 - Prob. 80RCh. 7 - Prob. 81RCh. 7 - Prob. 82RCh. 7 - Prob. 1TCh. 7 - Prob. 2TCh. 7 - Prob. 3TCh. 7 - Prob. 4TCh. 7 - Prob. 5TCh. 7 - Prob. 6TCh. 7 - Prob. 7TCh. 7 - Prob. 8TCh. 7 - Prob. 9TCh. 7 - Prob. 10TCh. 7 - Prob. 11TCh. 7 - Prob. 12TCh. 7 - Prob. 13TCh. 7 - Prob. 14TCh. 7 - Prob. 15TCh. 7 - Prob. 16TCh. 7 - Prob. 17TCh. 7 - Prob. 18TCh. 7 - Prob. 19TCh. 7 - Prob. 20TCh. 7 - Prob. 21TCh. 7 - Prob. 22TCh. 7 - Prob. 23TCh. 7 - Prob. 24TCh. 7 - Prob. 25TCh. 7 - Prob. 26TCh. 7 - Prob. 27TCh. 7 - Prob. 28TCh. 7 - Prob. 1CRCh. 7 - Prob. 2CRCh. 7 - Prob. 3CRCh. 7 - Prob. 4CRCh. 7 - Prob. 5CRCh. 7 - Prob. 6CRCh. 7 - Prob. 7CRCh. 7 - Prob. 8CRCh. 7 - Prob. 9CRCh. 7 - Prob. 10CRCh. 7 - Prob. 11CRCh. 7 - Prob. 12CRCh. 7 - Prob. 13CRCh. 7 - Prob. 14CRCh. 7 - Prob. 15CRCh. 7 - Prob. 16CRCh. 7 - Prob. 17CRCh. 7 - Prob. 18CRCh. 7 - Prob. 19CRCh. 7 - Prob. 20CRCh. 7 - Prob. 21CRCh. 7 - Prob. 22CRCh. 7 - Prob. 23CRCh. 7 - Prob. 24CRCh. 7 - Prob. 25CRCh. 7 - Prob. 26CRCh. 7 - Prob. 27CRCh. 7 - Prob. 28CRCh. 7 - Prob. 29CRCh. 7 - Prob. 30CRCh. 7 - Prob. 31CRCh. 7 - Prob. 32CRCh. 7 - Prob. 33CRCh. 7 - Prob. 34CRCh. 7 - Prob. 35CRCh. 7 - Prob. 36CRCh. 7 - Prob. 37CRCh. 7 - Prob. 38CRCh. 7 - Prob. 39CRCh. 7 - Prob. 40CRCh. 7 - Prob. 41CRCh. 7 - Prob. 42CRCh. 7 - Prob. 43CRCh. 7 - Prob. 44CRCh. 7 - Prob. 45CRCh. 7 - Prob. 46CRCh. 7 - Prob. 47CRCh. 7 - Prob. 48CRCh. 7 - Prob. 49CRCh. 7 - Prob. 50CR
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- In simplest way, For each quadratic relation, find the zeros and the maximum or minimum. a) y = x 2 + 16 x + 39 b) y = 5 x2 - 50 x - 120arrow_forwardIn simplest terms and step by step Write each quadratic relation in standard form, then fi nd the zeros. y = - 4( x + 6)2 + 36arrow_forwardIn simplest terms and step by step For each quadratic relation, find the zeros and the maximum or minimum. 1) y = - 2 x2 - 28 x + 64 2) y = 6 x2 + 36 x - 42arrow_forward
- Write each relation in standard form a)y = 5(x + 10)2 + 7 b)y = 9(x - 8)2 - 4arrow_forwardIn simplest form and step by step Write the quadratic relation in standard form, then fi nd the zeros. y = 3(x - 1)2 - 147arrow_forwardStep by step instructions The path of a soccer ball can be modelled by the relation h = - 0.1 d 2 + 0.5 d + 0.6, where h is the ball’s height and d is the horizontal distance from the kicker. a) Find the zeros of the relation.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
What Are Research Ethics?; Author: HighSchoolScience101;https://www.youtube.com/watch?v=nX4c3V23DZI;License: Standard YouTube License, CC-BY
What is Ethics in Research - ethics in research (research ethics); Author: Chee-Onn Leong;https://www.youtube.com/watch?v=W8Vk0sXtMGU;License: Standard YouTube License, CC-BY