Solve this perimeter equation for q in terms of P and w: P=2w+2q what is the value of q when w=4 and P=20

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Which expression is equivalent to 64 - 9x^2?

How much would it be worth in 5, 10, 20 years