Using the formula below solve when she=3

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month.b) find the new balance on may 3.

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

What is the ratio fraction form of 25: 9