A pair of shoes at a store costs $7.50. The total cost, in dollars is given by the function C(s) = 7.5s. What is the cost of 4 pairs of shoes?

A
$35

B
$30

C
$25

D
$50

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Which graph has a rate of change of zero

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?