Answer:
520
Step-by-step explanation:
Number of students riding bus
I decided to do mental math and figured out it was -12. but you can cross multiply since both answers have to equal one another. you will still get the answer.
Line R
2x + 2y = 18
if we divide by 2 in both side
x + y = 9
Line M
x + y = 9
if x = 1, then y = 8
if x = 2, then y = 7
likewise you can find infinite pair answers for x and y
Answer: 5
Step-by-step explanation:
We have the equation of the line is of the form .
Substituting in the coordinates (12,3), we get that: