Answer:
The LCM of (4,7) is 28
Step-by-step explanation:
When the lines are parallel, the slope have to be the same for both and we know that the slope of line B is 5/2, so the answer would be D) 5/2
Answer:

Step-by-step explanation:
Given


Required
Solve graphically
See attachment for graph;
The black shade represents
While the green, represents 
Next, determine the intersection points between the two lines
From the attached graph, we have:

<em>Hence, the solution is:</em>
The answer should be D because everything else is true.