Rafael has 1 black, 3 red, 7 green, 2 blue, and 2 yellow candies in his pocket.

what is the probability he will pull a red one out of his pocket?

What is the slope of the line that contains the points (-2,1) and (0,-3)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2