Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine.
cos^4 x sin^2 x

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

What does independent variable and dependent variable mean in math?