HELP PLEASE HURRY
Write the relation as a set of ordered pairs
a. ordered pairs: {(-1, 1), (2,0), (3, 1))
b. ordered pairs: {(-1, 1), (0, 2), (1,3)}
c. ordered pairs: {(1,-1), (0, 2), (1, 3)}
d. ordered pairs: {(1, -1), (2, 0), (3, 1)}
Please select the best answer from the choices provided

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.°