Here are 3 questions I need answered but I need all of the steps used on the claculator to get the answer also..... lol please help

(1) You plan to purchase a home for $175,000. You will have a down payment of 20 percent and finance the rest. Your loan rate is 7% fixed for 30 years. What is your monthly payment?
(2) At the end of last year, your portfolio was valued at $545,650. At the conclusion of this year, the same portfolio is valued at $622,250. What was the percent growth of the portfolio during the year?
(3) You plan to purchase a new auto and you have determined your budget allows for a monthly payment of $467.00. You would like to make payments for 5 years and the bank is offering auto loans at 8.9%. What is the total amount you can borrow?

*****You must include all of the calculation steps in your answers.*****