Determine which relation is a function. a. {(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)} b. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)} c. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)} d. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)} open study

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.°