Answer:

Step-by-step explanation:
The standard form of a quadratic is:

To complete the square, the a (leading coefficient) must be 1 and there can only be terms with variables on one side.
The expression given:

follows these rules. Next, we divide the b (linear coefficient) by 2, then square it. Basically:

The b in the expression is -18.


This is the number that is added.
Answer:
12
Step-by-step explanation:
uhh division
hope this helped! :)
Answer:
it rise over run so put 2y on graph count down 4 and move right 1
Step-by-step explanation:
Answer:
She can double the base length of the base so that the new volume is 120 cubic inches
Step-by-step explanation: