Find the mean of the data. 8, 14, 22, 7, 2, 11, 25, 7, 5, 9 The mean is​

The total number of dental clinics total for the last 12 months was recorded

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss, how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.

Simplify each expression for 18, 20, and 21