In the figure shown, ab = 8 and ad = 5. what is bc?
bc =

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?