Select all the correct answers. richard is renting a bike. the cost of renting a bike for the first hour is $7. he is charged $2.50 for every additional hour of renting the bike. select all the functions that can be used to find the total amount that richard is charged, f(n), for renting the bike for n hours.

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet