Answer:
Angle 1, 2, 4 = 45 degrees
Step-by-step explanation:
2x+15 = x+30
-15 both sides
2x = x+15
-x both sides
x = 15
Plug x = 15 into x+30 or 2x+15
15+30 = 45
2(15)+15 = 45
it's a vertical line.
only the Y coordinate changes making it vertical
(z + 8)
note that ÷ = 1 , and
6 ÷ = 6 × = = 8