Surface area of rectangular prism.

Acylinder has volume 45π and radius 3. what is it’s height?

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?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.