7. E. 68° D B 101 C mZA m/B = 8

Q: What is the rule that tells us to multiply and not add

A: To determine the total number of combinations of two or more occurrences, the fundamental counting…

Q: What's 1+34

A: apply the sum

Q: What is 8+2

A: 8+2=?

Q: What is 5x8 how learned multiplication

A: The given multiplication,   5×8

Q: An open-topped box is to be constructed with a base whose length is twice its width. The material…

A:

Q: which expresion is equivalent to 8w + 12

A: Given expression  8w+12

Q: what is 5+10

A:

Q: Name the property illustrated by the equaility (3+5)+9 = (5+3)+9? show your work neatly?

A: 3+(5+9) = (5+3)+9

Q: Use an array to show how we could multiply 1⁄2 x 1⁄4.

A: To multiply two fractions to each other we have to multiply the numerators of the two numbers and…

Q: What is 57+39

A: We want to find sum of 57 and 39

Q: What is #5, #6, #7, #8 & #9

A: Note: According to Bartleby guidelines we can solve only 3 subparts.  If you want more answers then…

Q: what is 3+300

A: Given 300+3

Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

A:

Q: Why is 7 + 7=0. ?

A: We have to explain 7 + 7=0 or not.

Q: Why is "3" is not the same as 3?

A: Given, Why is "3" is not the same as 3?

Q: What is the answer to 77?

A: (a) From the graph (a), the left hand limit is different from the right hand limit. So, the limit x…