Ok well you could just type the question then we could help
I think it might be 2x^2 + 2x + 2xy
Answer:
-2 1/3, -5/2, 1/16, 16
The more negative the number gets, the lesser it would be.
Answer:

Step-by-step explanation:
We are given the following in the question:
Controller cost = $135
System cost = $2.50 per foot of pipeline
The total cost depends upon the length of Pole.
Let the system requires F feet of pipeline.
Total cost will be given by the equation:

is the required expression for total cost
F: feet of pipeline required
c(F): Total cost of installation