An actor invests some money at 7%, and $29000 more than twice the amount at 9 %. the total annual interest earned from the investment is $38860. how much did he invest at each amount?

What is the factored form of the following expressions? d^2 – 13d + 36

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.