i need help with these questions, please!

1.) if f(x)= e^x, find f (In 7).

2.) If you borrow $900 for 6 months at 14% annual simple interest, how much must you repay at the end of the 6 months?

$ _______

3.) what present value amounts to $15,000 if it is invested for 5 years at 7% compounded annually? (round your answer to the nearest cent)

$________

4.) find the future value of an annuity of $13000 paid at the end of each year for 10 years, if interest is earned at a rate of 6%, compounded annually. (round to the nearest cent)

$_______

5.) find the present value of annuity of $3000 per year at the end of 8 years after being deferred for 5 years, if money is worth 7% compounded annually. (round to the nearest cent)

$_______

6. A many buys a car for $38,000. if the interest rate on the loan is % monthly, and if he wants to make monthly payments of $700 for 48 months, how much must he put down? (round to the nearest cent.)

7. A homeowner planning a kitchen remodeling can afford a $800 monthly payment. how much can the homeowner borrow for 5 years at 6%, compounded monthly, and still stay within the budget? ( round to the nearest cent)