___ pi/3 cos pi/6 = 1/2 (sin pi/2 + sin pi/6)

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

What is the mean of the data set 125, 141, 213, 155, 281