The cost to rent a paddle boat at the park is $8 for each hour. the expression 8h, where h represents the number of hours, can be used to represent the total cost for renting the boat. which of the following expressions could be used to find the cost for renting the boat for 2 hours?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations