Find the slope between the two points:

(1, -19) and (-2, -7)

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?

Given abcd ac=38 and ae=3x+4 find the value of x

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