Given y = 2x + 8, what effect does changing the equation to y = 6x + 8 have on the slope?
a) no change to the slope
b) graph becomes steeper
c) graph becomes less steep (flatter)
d) graph moves up by a factor of three

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