Rectangle ABCD is translated to form the image A'B'C'D'. What are the new coordinates of point D?

What is the vertex form of f(x) = x2 + 6x + 3

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

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