Aimee deposited $250 into a savings account with the simple interest of 6% per year. After 4 years, how much money, in total, will she have in her account?

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"