Answer:
2.9403x10^15
Step-by-step explanation:
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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:
A is the inverse function,
Step-by-step explanation:
Answer: -6.7
Step-by-step explanation:
64.3−(3)(23)−2
=−6.7