Add the monomials.
-2z^4 + 5z^4 =

(please and thank you !!)

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

If you answer 2+2 you will get over 80 points

Complete the synthetic division problem below. what is the quotient in polynomial form 2/16 -16