HELP! I'M TAKING A QUIZ

In terms of π, how much bigger is the area of a pizza with a diameter of 18 in. than the area of pizza with a diameter of 10 in.?

A) 8π in²
B) 56π in²
C)106π in²
D) 224π in²

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Which of the following tables represents exponential functions?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125