Dr. Ibanez recorded the amount of snowfall, in centimeters, at 10 different locations during 1 day and then arranged the amounts from smallest to largest. The amounts were 3, 3, 3, 3, 4, 4, 4, 5, 5, and 6 cm. The mean of these measurements is 4 cm.

What is the mean absolute deviation?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Find the distance between the pair of points a(-1,8) and b(-8,4)

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)