Is x=2 a solution to the equation 2x+4=6

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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?

With both problems. a.s.a.p directions on photo ^