Mr. Baumgartel has earned $45 in interest over the past 60 months with an initial investment of $200. What is the simple interest rate he is earning?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?