Asap! plsss help i’ll give brainliest

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

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?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.