Answer:
A
Step-by-step explanation:
A graph that represents a proportional relationship usually has the line cutting through the line of origin (0, 0).
The graph in option A does not have the line passing through the point of origin (0, 0), therefore, it does not represent a proportional relationship.
For an equation that represents a proportional relationship, it is written in the form of y = kx
Where, k is the constant of proportionality.
Therefore, the two equations given represents a proportional relationship.
Answer:
Step-by-step explanation:

Answer:
-1
This is because in negative the numbers the higher the number, the lower its value
Step-by-step explanation:
Answer: +15
Step-by-step explanation: A deposit of $15 is an increase,
which means that it's positive.
So it can be written as +15.