The ordered pairs below represents a relation between x and y (-3,3), (-2,0), (-1,3), (0,6), (1,9), (2,12) could this set of ordered pairs have been generated by a linear function

Ineed to know the answer to this algebra question.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?