How is the value of 4 in 864 related to the value of 4 in 846?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°