Answer:
Your answer is: Slope =
Y-intercept = 
Graph the line using the slope and y-intercept, or two points.
Step-by-step explanation:
Graph Below : ↓
Hope this helped : )
add 4n and 5n, which is 9. 9n=-9, and if u divide both sides by nine, n=-1
Answer:
Yes.
Step-by-step explanation:
Yes they are because that is the definition of congruency.