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.
Use the substitution method
Answers:
2m
2(1)
= 2
2(2)
= 4
2(3)
= 6
B. To be careful, use brackets: 10(1*2) + 4x which will be 20 + 40x or as you have it, 10*2 + 40x.
If 9 is 1/3 of the problem, then 9 x 3
= 27 would be the answer