An empty crate weighs 3 pounds. Jess puts 14 books in the crate. The total weight of the crate and books is 80 pounds. Write an equation to model the weight, w, in pounds of each book and solve for w.

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

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

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.