Translate the phrase into an algebraic expression.
The product of 8 and x

Find the surface area of the prism formed by the net

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)