Let z=11(cos(pi/12)+ i sin (pi/12)) and 7(cos(pi/12) + i sin (pi/12)) what is zw?

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2