Philly and boston were working on a project in carpentry class. they needed to cut 5 lengths of 2 3/4 feet from a board. how long must the board be to allow this?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Solve the system of equations y= 3/2 - 1, -x+ y =-3