Find the proportion of the missing number 7/a = 2/4

49xy +34y - 72z. determine the degree of the polynomial

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?

Express -5 2/5 as an improper fraction.