Find the percent of change from 15 minutes to 35 minutes

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?

See attachment below and find the equivalent of tan(∠qsr)

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y