The base angles of a trapezoid are two angles of a trapezoid whose common side is the base.

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Place the following steps in order to complete the square and solve the quadratic equation,