90,95,101,98,103,119,124,123,132,12 7 what is the mean

What is the 12th term of b(n)=-4-2(n-1)

Find the quotient with the restriction.

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?