Original price:
6(3.5)
21
New Price:
1.15(21)
24.15
24.15-21
$3.15 more
Adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Step-by-step explanation:
We need to find the sum of: 
Finding sum:

can be written as 
can be written as 
We know 18 = 2x3x3 = 2x3^2 so,


Adding like terms:

So, adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Keywords: Square root expressions
Learn more about Square root expressions at:
#learnwithBrainly
Answer: 4
Step-by-step explanation:
2 + 2 = 4
In some cases, it also equals fish.
Obtuse
I think ......
I really hope this helps
And I hope that this is right
ANSWER
Alan breaks even after 7 hours.
EXPLANATION
Alan's revenue is modeled by the function

His overhead cost function is modeled by the function

Alan will break even when his cost is equal to his revenue.



Factorize:


or

We discard the negative value.
He breaks even after 7 hours.