The answer is D
If you used the slope formula (y2-y1/x2-x1) you would get a slope of -3/4.
Honestly photo math is the way to go but I got r= 17/13
You divide 30 miles by 10 to get 3 miles, so you do the same for the bottom.
20 hours divided by 10 = 2 hours.
2 hours is the answer.
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A triangle is 180 so 180-110=70 and 70 divided by 2 is 35 so the other two angles are 35 degrees