Can anyone tell me to solve this..

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?