Find the area of the shaded area round to the nearest tenth if necessary

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?