(square root of 72) = square root of (36 times 2)
That's the same as (square root of 36) times (square root of 2).
But the square root of 36 is 6 .
So the square root of 72 is (6) times (square root of 2) .
This video may help
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:inequalities-systems-graphs/x2f8bb11595b61c86:graphing-two-variable-inequalities/v/graphing-systems-of-inequalities-2
A..because look at the number....the 100ths collem is 2 and the next number is 4....and 1-4 round down...so this number Obhiously would be A
Answer:
Step-by-step explanation:
we should multiply the 1/8 on the 2nd equation, by some number "n", such that our result will be equals to -3/4, namely the above x-coefficient but negative, or different sign, so (rest of the explanation is in the picture attached)
