Use a geometric representation to determine the difference of the complex numbers. z1=-2-6i
z2= 5+9I
A. z=7-15i
B. z=-7+15i
C. z=-7-15i
D. z=7+15i

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

If jaime wants to find 60% of 320, which table should he use?

How do you solving the solution of each system using elimination?