There are two dogs for every three cats. that means there are 2/3 as many as
dogs or cats?

There are two dogs for every three cats. That means there are 2/3 as many DOGS as CATS.

Explanation:

"There are two dogs for every three cats"

the solution is h=10 because you add 9 to each side of the equation.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square