Simplify the following expression:
4 + b ( 12 - 3 ) - 2b

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

To decrease an amount by 16% what single multiplier would you use