Which of the following relations shows a function?
a.{(5, -7), (6, -7), (-8, -1), (0, -1)}
b.{(4, -1), (4, -2), (3, -1), (2, 4)}
c.{(4, 5), (3, -2), (-2, 5), (4, 7)}
d.{(1, 4), (4, 1), (1, -4), (-4, 1)}

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%