please help me. thank you

Question 10 Question 1 1 points Save Answe You would like to have $15 thousand saved in 13 years for you child's education. You have decided to make weekly payments into an account that pays 7.2% APR. How large should your weekly payment be in order for you to accumulate the desired amount? Assume you have not yet opened the account. Enter your answer as a number with two decimal places of precision (and no 's' or ':') Do NOT enter your answer with a negative sign. Question 2 You plan to deposit $643 in an account today that pays 5.7% annually (nominal rate). The account compounds semiannually. How much will the account grow to in 12 years? Enter your answer as a number with two decimal places of precision (an no '$' or ';)