Which set of ordered pairs represents a function? Group of answer choices {(2, –2), (1, 5), (–2, 2), (1, –3), (8, –1)} {(6, 8), (5, 2), (–2, –5), (1, –3), (–2, 9)} {(3, –1), (7, 1), (–6, –1), (9, 1), (2, –1)} {(–3, 1), (6, 3), (–3, 2), (–3, –3), (1, –1)}

Which rational number could be graphed between -4 and -5

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.