Find the extreme points of the graph of the function y=x^3 - 3x^2

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5