Lin is paid 90$ for 5 hours of work? At this rate, how much would Lin be paid for 5.5 hours of work?

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.

Wrote and expression for the difference of p and 4

Write as a product: ac^2–ad+c^3–cd–bc^2+bd