MyLab and Mastering x PAssignments X □ Chapter 1: Arithmetic of Whole x + Numbers Question 1, 1.1.D-3 r ☆ ++ Sierra wesson HW Score: 0%, 0 of 20 points O Points: 0 of 1 Save The stockroom has eight boxes of No. 10 hex head cap screws. How many screws of this type are in stock if the boxes contain 357, 365, 85, 128, 324, 97, 260, and 220 screws, respectively? screws are in stock. 闸 X 3 US 18:

Graph: x29+y216=1.

In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in the exact order (1 St place, 2nd place, and 3rd place). How many different trifectas are possible if there are 14 horses in a race?

Cell Phone Plans Gwendolyn is mulling over the three cell phone plans shown in the table. Gigabytes GB of data included Monthly Cost Each additional megabytes MB Plan A Plan B Plan C 1 1 1 25.00 40.00 60.00 2.00 1.50 1.00 From past experience, Gwendolyn knows that she will always use more than 1GB of cell phone data every month. aMake table of values that shows the cost of each plan for 1 GB to 4 GB, in 500 MB increments. bFind formulas that give Gwendolyns monthly cost for each plan, assuming that she uses x gigabytes of data per month where x1. cWhat is the charge from each plan when Gwendolyn uses 2.2 GB? 3.7 GB? 4.9 GB? d Use your formulas from part b to determine the number of gigabytes of data usage for which: (i) Plan A and Plan B give the same cost. (ii) Plan A and Plan C give the same cost. (iii) Plan B and Plan C give the same cost.