2. You saved 300$ to spend over the summer. You decide to budget 50$ to spend each week. Part A: Write an equation that represents this situation. Part B: Represent the situation on the graph below. Part C: What is the slope of the line? What does the slope represent? Part D: What is the y intercept? What does this point represent? Can someone please help and answer all parts of the question?

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