Can someone answer 1-3 for me please this is a timed test thank you

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?

How many solutions does the nonlinear system of equations graphed bellow have?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?