Simplify: -81 + (14 – 23) + 12 • 9 a) -81 b) -18 c) 18 d) 22

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?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

A50% increase followed by 33 1/2% decrease