Astudent found the slope of a line that passes through the points (-4,-7) and (2,-2) to be 5/6. what mistake did he make?

What is the range of the data below? .8090100

Which of the functions graphed below has a removable discontinuity?

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