Answer:
One hour and nine minutes
Step-by-step explanation:
Answer:
No; the lines have unequal slopes.
Step-by-step explanation:
You can see the appropriate answer by plotting the points on a graph. In the attached, the line through the blue points will have a different slope from the line through the red points.
I am not completely sure but Khan Academy might show how to do that. Or it might at least give an example.
Answer:
The answer to the system of equations is 4, -4