Which pairs of points tells you the relation in the graph is not a function?

1.(- 2, 2) and (- 3, - 3)
2.(- 3, - 3) and (-4,-4)
3.(- 4, - 4) and (- 4, 4)
4.(- 1, 1) ) and (- 2, 2)

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°