(167.64 cm) · (1 inch / 2.54 cm)
= (167.64 · 1 / 2.54) inches
= 66.0 inches
Answer: I don't see the amount per football
Step-by-step explanation:
Lets say the 3x3 Matrix is
M = [1 5 2 ]
[1 1 7 ]
[0 -3 7 ]
We apply the Gauss-Jordan elimination method
(Procedure and result shown in the image below)
I'll give you a hint. <u><em>This questions is about order of operations for pemdas. Its stand for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add and s-subtract that came from left to right.</em></u>
First you had to calculate with exponents first.


Then you multiply and divide from left to right.





Final answer: 
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie