Which of the following must be shown in order to prove that two irregular polygons are similar?

Divide. write in simplest form 41/6 divided by 10

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship

Given the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(