HELP PLEASE <3 A linear function contains the following points.
ху
07
4 -13
What are the slope and y-intercept of this function?
O A. The slope is -
The y-intercept is (0,7).
O B. The slope is -5.
The y-intercept is (7,0).
C. The slope is -5.
The y-intercept is (0,7).
D. The slope is 5.
The y-intercept is (0,7).

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