Steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours. Problem: Explain why the relationship between how much Steven charges and time is a proportional relationship.

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

other answer is correct. i had used the radius of the radius somehow. a website:

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)

step-by-step explanation: