Is y=5x proportional or nonproportional why or why not

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 additional information could be used to prove abc =mqr using sas? check all that apply.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?