^4sqrt6/^5sqrt6 i don't have square root signs

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?

Given abc find the values of x and y. in your final answer, include all of your calculations.

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5