Which of the sets of ordered pairs represents a function?

A = { (-4, 5), (1, - 1), (2, - 2), (2, 3) }

B = { (2, 2), (3, - 2), (9, 3), (9, - 3) }

Only A

Only B

Both A and B

Neither A nor B

What is the approximate percent increase when the population of a town increases from 12,089 to 15,025? Round the population amounts to the nearest thousand to find an estimate of the percent increase

The distance bewteen Harry and Kate is 2500 meters. Kate and Harry start walking toward one another and Kate' dog start running back and forth between Harry and Kate at a speed of 120 meters per minute.

In a frog hopping contest, leaping louie finished one Leap ahead of able Mable able Mable was not in last place muddy buddy finish 7 Leaves ahead of hopping Henry hopping Henry finish three leaves behind leapin Louie's leapin Louie finished five

List the real number shown from greatest to least 7.94,7.35,8, 11.18

What is the center of the data? Number of Laps Around a Track A dot plot going from 1 to 5. 1 has 8 dots, 2 has 6 dots, 3 has 4 dots, 4 has 2 dots, and 5 has 1 dot. The center is .

One quarter four nickels and some dimes are in the piggy bank. There is 95 cents in the bank. How many dimes are in the bank

Regular octagon with an apothem of 9.7 and side length of 8

What is 14=9-x I am trying to solve it

212 to the nearest 10

Which of the following expressions match the translation "nineteen more than the product of 4 and a number"? 4 + 19n 19 (n + 4) 4n + 19 4 (n + 19)