Help me I give 20 points​

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?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c