Two years ago, rob bought some shares of a stock, and today those shares have a value of $19.80 each. the price when rob bought the stock was 3/4 of the current price per share.
rob paid per share when he bought the stock two years ago.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.