Which set of ordered pairs is not a function?

(4, -2), (-2, 2), (2, -2), (4, 2)

(-4, 2), (-2, 2), (2, 2), (4, 2)

(-4, 2), (-2, -2), (2, 2), (4, 2)

(-4, -2), (-2, -2), (2, 2), (4, 2)

30 in the diagram line e and made parallel to each other and line p and q are transversal. use properties of special angles formed by parallel lines and their transversals to find the missing angle measures. m< 3=65 m< 15=120 m< 7= m< 4= m< 6= m< 1= m< 16= m< 18= m< 21= m< 10= m< 11= m< 12=

What is the volume of a rectangular prism that is 120 centimeters by 2 meters by 1.5 meters in cubic meters?

Given abcd ac=38 and ae=3x+4 find the value of x