what will happen to the average speed of an object if the distance increases, but the time decreases?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2