X-3+7(x + 3) - 3x – 12 Can someone simplify it or expand it please I need it in like 5 mins !

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 do i put 3(x+7) in distributive property

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?