Marcos deposited $450 into a 3.5–year simple interest account. He wants to earn $80 interest. What interest rate (%) must the account pay?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.