The costs of each game was A. $3.50
$21 - $7\4 = $3.50
Answer : 2,4,6,8 are the even numbers
Step-by-step explanation:
I think you need to do:
44(7x+12)(7x+12) = 180
so
44(49x²+178x+144) = 180
2156x²+7832x+6336= 180
and you finish and you find x
Formula for the length of x