Find the present value that will grow to $7000 if the annual interest rate is 8.5% compounded quarterly for 8 yr.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items