3n^2+7n-6n-14+4n^2+6n= 7n^2+7n-14
Hope that helps and best of wishes!
Answer:
the answer is 37.5714285714
Step-by-step explanation:
hope it helps have a nice day or night
:)
Answer:
14.14 i hope this helps lol ;)
Let
x---------> the thickness of the frame in feet
At-------> Area of the mirror and the frame in square feet
we know that
------> equation 
--------> equation 
equate equation
and equation 

therefore
the answer is the option
