Answer:
2, 3
Step-by-step explanation:
The graph of quantities in direct proportion.
Is a straight line passing through the origin, thus
the line always crosses the y- axis at |(0, 0 )
Thus the y- intercept is 0
Add like terms just like you would anywhere else...
Answer:
2
Step-by-step explanation:

1: 5 2: 9 or 10
For question 1 we can round 115 to 100, 5x100 is 500 which is closer to 545 than 7x100 = 700.
Answer:
No because the line does not pass through the origin
Step-by-step explanation:
to be proportional it has to go through the origin