2(square root 80/5 -5) = ? ?and show work! =^-^=

2(squareroot 80/5 - 5)

to write -5/1 as a fraction with a Common Denominator, multiply by 5/5

2 squareroot 80/5 + - 5/1 5/5

write each expressions with a common denominator of 5, by multiplying each by an appropriate factor of 1

Combine:
2 squareroot 80/5 + - 5/1 . 5/5

Multiply by - 5 by 5 to get - 25
2 squareroot 80 - 25/5

Subtract 25 from 80 to get 11
2 squareroot 11

The result can be shown in both exact and decimal forms: 
2 squareroot 11

decimal form:
6.63324958

Hope this helps

A) 144.44 sq inches i believe