42/3 = 14
I think the unit rate is $14.
I hope this helps! :D
Answer:
The constant of variation is 3
Step-by-step explanation:
Given.


And y is directly related to x
∝ 
Here k is constant of variation

--------------(1)
Put the
and
value in equation 1.


So, the constant of variation is 3.
Plug the x value into the x value for your questions.
8.) -57
9.) -2
The answer is A. 41 because it is in the middle of the box.