During his winter vacation, George rented skis and boots for 5 days from the Slope Slayer Ski Shop. The shop charges the same rate for each day of
a rental. Including a $7.50 application fee, George paid a total of $177.25 to
rent skis and boots.
What is the rate of change, in dollars per day, for the function that represents
George's rental cost?

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