The water level in a lake changes -11 1/2 inches over. 2 1/4 months. what was the average change over 1 month? comment your answers as a mixed number, in simplest form.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20