Draw 8 lines that are between 1 inch and 3 inches long. measure each line to the nearest fourth inch, and make a line plot

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl