What is the prime factorization for 180?

a. 4 • 5 • 9
b. 2^2 • 5 • 9
c. 2^2 • 3^2 • 5
d. 2 • 9 • 10

Choose all answers that apply: a) ab and a’b’ are one the same line. b) quadrilaterals abcd and a’ b’ c’ d’ have the same perimeters. c) points a and a’ have the same coordinates. d) none of the above

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16