Mandy’s monthly cell phone bill is represented by the function y=0.10x + 70, where x represents the minutes and y represents the cost

32

step-by-step explanation:

these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.

Iwould say 48 bc the line of x is the line of 6 so 6×6=48