Factor the expression below.
9x2 - 1

Sketch one cycle if the cosine function y=2cos2theta

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.