I am in 8th grade and we are learning about Transformations - Reflections & Rotations Activity and I don't know how to do it

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?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree