The ordered pairs below represent 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?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Average acceleration: i have no idea how to do this.

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.