If z = 2 + 2i, what is z4? 2 sqrt 2 (cos(pi/4)+ isin(pi/4)
2 sqrt 2 cos(pi)+ isin(pi)
64cos(pi/4)+isin(pi/4)
64cos(pi)+isin(pi)

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12