11/2 / 24 3/5 how do i find the answer?

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.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Indicate the formula for the following conditions: p^c(n,r)=