Find the slope between the pair of points: (2,2) and (11,8)

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.

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?