You are at the top of a mountain which has an elevation of 9,000 ft. You descend at a rate of about 1,500 ft per hour. Your elevation, e, is given as a function of t, e = 9,000 – 1,500t, the time in hours. How long does it take you to reach the sea level (an elevation of 0 ft)

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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.