The sales tax is$9.12 on the purchase of a patio set that sales for $456. what is the sales tax rate?

What is the value of x in the following equation. -x ^3/2 = -27

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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.