What is the value of the expression shown below? 7 + (2 + 6)^2 divided by 4 x (1/2)^4 A. 23
B. 18
C. 9
D. 8
Please answer quickly!

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36