Which of the following sets of ordered pairs are not a function? A.(2,1), (3,4), (5,6), (2,7)

B.(3,1), (−3,1), (0,0), (5,1)

C.(1,1), (2,2), (3,3), (4,4)

D.(4,1), (6,7), (8,9), (4,7)

(2,4), (2,5), (2,6), (2,8)

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.