help with these please

ing - Zoom Maria has leased an auto for 3 years at $300/month. If the money is worth 3%/year compounded monthly, what is the equivalent cash payment (present value) of this annuity? (Assume payments are made at the end of the each month. Round your answer to the nearest cent.) $ X 6. [0/3 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 4.R.028. MY NOTES ASK YOUR TEACHER The Turners have purchased a house for $180,000. They made an initial down payment of $36,000 and secured a mortgage with interest charged at a rate of 4.5%/year on the unpaid balance. (Interest computations are made at the end of each month.) Assume that the load is amortized over 15 years. (Round all answers to the nearest cent.) (a) What monthly payment will the Turners be required to make? $ 540 X (b) What will be their total interest payment? $ X (c) What will be their equity (disregard depreciation) after 10 years? $ X 7. [1/2 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 4.R.032. MY NOTES ASK YOUR TEACHER The outstanding balance on Bill's credit card account is $3100. The bank issuing the credit card is charging 9.5%/year compounded monthly. If Bill decides to pay off his balance in equal monthly installments at the end of each month for the next 18 months, how much will be his monthly payment? (Round your answer to the nearest cent.) $ X What is the effective rate of interest the bank is charging Bill? (Round your answer to three decimal places. ) 9.925 % annually 9,715 2 NOV 2 1 O 9 tv 4