The perimeter of a rectangle is 30 cm. its width is 3 cm. which equation can represent the perimeter of the rectangle if l= length? write in simplest form.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Simplify. 3(4+4x) (type your answer in with no spaces)

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.