Answer: m=4
Step-by-step explanation:
To find the slope, we use the formula
. We can use the two points to find the slope. The points on the graph are (-2,1) and (-3,-3).

Answer: j || k
Step-by-step explanation:
only j and k are explicitly shown to be 90 degrees, so they must be parallel since they have the same angle when intersected by line <em>l.</em>
Answer:
V=56
Step-by-step explanation:
times both sides by 7