Please Help! A new dirt bike valued at $9000 loses 18% of its value each year. What is the initial price of the dirt bike? I don't understand how to solve this problem so if someone could show me how it would mean a lot.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Given the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale