could you please help me to do those 4 questions. thank you so much. the test will be tomorrow, please be basific, thank you

6. Ava wants to save up money to buy a car in three years. She has two options for a bank account. Bank A accounts pay 6.9% compounded daily (360 days) and Bank B accounts pay 7% compounded annually. (a) Find the effective rates for both accounts. (6) Which bank account would you recommend to her? 7. Sarah wants to have $3000 in her bank account in 2 years. How much should she deposit today in her bank account that pays 6% compounded quarterly in order to have $ 3000 in two years? 8. I paid $2000 for a down payment for purchasing a car and financed the unpaid balance with $215 monthly payments with 4.8% interest rate for 5 years. (a) How much was the price of the car? (b) How much interest did I pay? 9. A family bought a house for $ 235,000 and paid a down payment of $30,000. They took a 25-year mortgage with 6.9% interest rate. (a) What is their monthly payments? (b) How much of the first payment will go toward paying the unpaid balance? (c) How much is their balance after 10 years? (d) How much interest will they pay for the house at the end of 25-year