I need some help math

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

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.

Write a corresponding real world problem to represent 2x - 125=400