Miles picked up 9 shirts from the dirty cleaners. it cost $4 to clean each shirt. how much did miles spend to have all shirts cleaned?

What is negative 3/9 times negative 2/8 ?

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?

Simplify this expression. 8x 16(x + y)