How would you convince a fellow student that the number 0.57 is a rational number?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Select the graph of the solution. click until the correct graph appears. |x| = 3

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.