What is the midpoint of (-2,-6) and (-5,-1)

What kinds of numbers have an odd number of factors?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase