I need help anyone know how to do this?

Empty box + box + empty box fill in the box is equal to 30 how

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1