Which of the following relations is a function?
{(5, –7), (4, 6), (–3, 8), (5, 9)}
{(8, –4), (–4, 8), (–4, –8), (–8, 4)}
{(2, 3), (–2, 3), (3, 2), (–3, –2)}
{(9, –1), (–1, 9), (9, 2), (2, –1)}

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Triangle inequality theorem state if each set of three numbers can be the lengths of the sides of a triangle. 1. 9, 8, 22. 2. 5,10,12. 3. 7,10,22. 4. 4,11,12. 5. 11,9,10. 6. 10,4,19. 7. 3,12,10. 8. 4,3,2. 9. 6,5,13. 10. 7,12,20. me .

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem