Please answer the questions before 12 am

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct