Which expression is equivalent to (4 + 6i)2?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9