Y = mx + b, m = slope and b = y-intercept
Thus the answer is y = -3x + 7
The equation at the right has been incorrectly solved, the answer to this is b = -7
Answer: 15º and 50º
Explanation:
The angles in a triangle add up to 180.
180 - 115 = 65
3x + 10x = 13x
13x = 65
x = 5
3x = 15
10x = 50
