The answer is 3x+2 over (x+2) (x-2)
Answer:
y = 3x - 1
Step-by-step explanation:
Rise over run, so 3 over 1 = 3. The y-intercept is -1, so b = -1.
Answer:

Step-by-step explanation:
So, for 60 square feet they charge = 287
So, for 1 square foot they charge = 
If they charge the installation fee this becomes = 
We can write an equation to calculate cost by using this 
Where x is the amount of square foot
Answer:
not possible
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
48-20=28
28-18=10
that is how I see it at least