A pizza shop is running a special on 3 topping pizzas. There are 12 toppings total to choose from. Each topping can be chosen at most once.
How many different 3 topping pizzas could be chosen?
A 220
B 1320
C 36
D 6

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe