Answer:
AGD=180-90
=90
FGD=CGE=23
AGF=90-23
=<em><u>67degrees</u></em>
Your correct, +1 would give you one point on y line then go down and over to get your slope, so yes you are correct, good job.
Answer:
first collect the like terms so that you have -4x is equals to -2 - 26 then negative 4x is equals to -28 divided by -4x is equals to 7
Answer:
2, I think. Lines 1 & 2 and lines 7 & 4 are perpendicular
edit: 3 pairs, 3 & 5 is the last one
Step-by-step explanation: