16. Using the expanded accounting equation, solve for the missing amount Assets 72.540 Liabilities 2,270 Common Stock ? Dividends 11,210 Revenues 50.265 Expenses 29,350 BERE Begin by selecting the formula for tho expanded accounting equation. Then enter the amounts to solve for the missing amount. Find ag and a, for the following geometric sequence. a4 = 40, r= -2 Find ag for the geometric sequence. a5 = -80 (Type an integer or a fraction.) Find an for the geometric sequence. an (Type an expression using n as the variable.)