Which function describes the sequence 3, 6, 12, 24, ... for n = 1, 2, 3, ...? A. f(n) = (n − 1)2 + 3
B. f(n) = 2" + 1
C. f(n) = 3n
D. f(n) = 3(2)n-1

If a fair 6 sided cube is rolled 60 times, theoretically how many times should you expect to roll a 4 or a 5?

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?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.