90,000+5,000+300+80+9 in standard form

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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?

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?