The number of vertices in a pyramid is equal to the number of faces. How many vertices does a regular pyramid with 40 edges
have?
Euler's formula: V + F= E + 2

A. 20
B. 21
C. 40
D. 42

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)