The width of a window is represented by the expression 3x 7. If the area of the window is 18x – 42, what is the height of the window?​

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?