Three boards are placed end to end to make a walkway. The first board is 4 feet 8 inches long, the second board is 3 feet 4 inches long, and the third board is 4 feet 5 inches long. How long is the walkway? Write your answer in feet and inches. Use a number less than 12 for inches.

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

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