It took alex 2.5 hours to cover a certain route walking at a rate of 3.6 km/h. how long would it take alex to cover the same route if he walked at a rate of 4.5 km/h

Norma has an a-frame cabin. the back is shown below. how many square feet of paint will she need to cover the back of the cabin? explain how you found the answer.

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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 florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.