we have

Group terms that contain the same variable, and move the constant to the opposite side of the equation

Factor the leading coefficient

Complete the square. Remember to balance the equation by adding the same constants to each side


Rewrite as perfect squares

-----> equation in vertex form
therefore
the answer is the option C

If there are 70 chairs but only 20 rows then that means he will have to set up 3.5 chairs per row, or Brook could set up 14 rows with 5 chairs in each row.
Srry if that didn't help but that's what i got from that.
NO, The drawing will be 10 1/4 inches by 12 inches, which is bigger than the paper.
The answer is the top one.
6 x 4 = 24
24 / 4 (#ofquartersinadollar) = 6
It’s option D.