Which of the following relations is NOT a function? A. [(3,1),(2, -1).(1,1)]
B. ((3,1).(-1,2),(1,1))
C. {(1,3).(2.-1).(1,1))
D. ((-1,3).(-2,-1).(1.-1)]​

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

New york is the 27th largest state in the united states.what percent of the 50 states in the us are larger than new york