Rita owed her brother $15 after her birthday she was able to pay him back and still had $45 how much money did Rita receive for her birthday

How do i do this activity, is appreciated

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?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.