Please help me with this

What is the percent of increase for a population that changed from 438,000 to 561,000

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school