How to know if something is a no solution or no real solution?

What term makes it inconsistent y=2x - 4

According to the data set, where should the upper quartile line of the box plot be placed?

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation