Which is a cubic function? f(x) = 3x + 1
f(x) = 3x2 + x + 2
f(x) = 5x3 + 2x + 1
f(x) = x3 + x4 + 5

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Which expression is not a 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?