Calculate the surface area of a 9' by 8' by 11' rectangular prism. Just enter the number, not the unit. PLEASE HELP!

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.