What's the length of x when the sides are 2.5 and 5 and 6

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.

Can someone pls ! pls answer all. no explanation needed..

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling