Three examples that would make this considered a murder mystery are:

Which system of linear inequalities is represented by the graph? !

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

The sum of two numbers is 86, and their difference is 20. find the two numbers