George has a part-time job which pays $9 per hour. He has already saved $81 toward the purchase of a new car stereo which costs $171. If x represents the number of hours he still needs to work in order to buy the stereo, which of the inequalities symbolizes this situation? A.
$9x + $81 < $171
B.
$81x + $9 > $171
C.
$9x + $81 > $171
D.
$81x + $9 < $171

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.