What do you do to square root

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?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute