Stephanie weighs 3 times as much as rachel. both weights are whole numbers and the sum of their eights is less than 160 pounds. find the greatest possible weight for each girl.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal