R = 3.7 m.
Calculate the circumference of the circle.

What is the distance between (–2 1/2,-3) and (1, –3)?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

How many solutions does the nonlinear system of equations graphed below have?