A data set contains an independent and a dependent variable. Which must be true of the data set if a linear function can be used to represent the data?

What number produces an irrational number when multiplied by -1.25

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

(60 points) explain this in detail