Function g can be thought of as a scaled version of f(x) = |x|

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

For each given situation, determine if the method of randomization is either appropriate or not appropriate