When you sign up for a gaming website, you get two months free. Then you are charged $18 per month. If you pay $90, how many months will you be able to play?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?