Which expression is equivalent to 9(9m + 3t) ? 81m + 3t
81, m, + 3, t

81m + 27t
81, m , + 27, t

18m + 3t
18, m, + 3, t

18m + 12t

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Which value of y will make the inequality y< -1 false?

Im so bad at fractions they are not my best math thing to work on