Answer:
maybe if i know the answer ill help
The second one is the answer
The slope formula is y2-y1/x2-x1, this is considered rise over run. Simply subtract the y2 variable from the y1 variable, 1-(-1) =2 and then subtract the x2 variable from the x1 variable, 2-1 = 1. From there, ride (y) is on top and run(x) is on the bottom. Divide 2/1 which equal 2. The slope of this line is 2.
Hope this helped :)
GM = 1/2(GH)
7x + 2 = 1/2(32)
...multiply 1/2
7x + 2 = 16
...subtract 2
7x = 14
...divide 7
x = 2
GM = 7(2) + 2 = 16
MH = GM, so it is also 16
