Atrapezoid with an area of 166.75 in has bases that measure 21 in and 8 in find the height of the trapezoid

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building