lynville is the correct answer i think
For this case we must complete squares:

We add the square of half the coefficient of the term "x",
on both sides of the equation:

According to the perfect square trinomial we have:

Rewriting the expression we have:

ANswer:

Answer:
Its A: Mean
Step-by-step explanation:
Mean means average in a set of data
Answer:
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
68 | 86 | 104 | 122 | 140 | 158 | 176 | 194 | 212 | 230 | 248 | 268
Step-by-step explanation:
Ok so, the top part of the table is probably going to be the number of months. The cost of the video streaming is linear and follows the equation
cost = 18*cost per month + initial cost
or
cost = 18(number of months) + 50
Using the table which they gave, enter the number of months at the top, and enter the cost at the bottom. I've gaven the answer already. The months go to welve, and the answer goes into the bottom.
Comment on my answer if it doesn't make sense.
Thank You!