If a = 6 and b = 2, then what does ab equal?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.