Answer:
7x, 7
Step-by-step explanation:
In each of the terms 3x 2 and 7x, x is a variable, and in both terms, we are multiplying a number by the variable. In the first term, 3x 2, 3 is being multiplied by the variable, so 3 is a coefficient. In the second term, 7x, 7 is being multiplied by the variable, so 7 is a coefficient.
Answer:
2 is the answer
Step-by-step explanation:
its like
(square root 2)^2
{square root and whole square is cancelled and 2 is the answer}
My guess is 9 hours, because since pipe a takes 12 hours and with pipe b it takes 9, it's 12-9=3
I think.