Atowns population went from 25800 to 42600 in 15 years. what was the percent of change

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1