Decide if the following change is an increase or decrease. then determine the percent of change. 48 inches to 30 inches

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

I'm confused on this could anyone me and show me what i need to do to solve it.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?