Answer:
Volume measures how much water (for example) can fit in an object
I don't know what the other questions mean
I can edit my answer if you can explain cuz these questions don't really make sense since these are all methods of measurement
Step-by-step explanation:
It is 4 i am not gonna lie
I think its 4 because the lines intersect 4 times but its been too long since ive done nonlinear equations
Simple...
you have:

To make this into an improper fraction-->>
1.) Multiply whole number by denominator
2.)Add the number you got plus the numerator
3.) Use the original denominator to finish your improper fraction
Example:

4*9=36
36+4=40

Thus, your answer.