6/13 = 3/c how do i find the simple solution?

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.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show