Which set of ordered pairs represent a function? {(2,6), (2, -5), (2,7), (2,5)} {(4,0),(-10, -1),(-8,1),(4,9)}
{(3,5),(3, 10), (3, -9), (3, -5)
{(-6,8),(-6, -7), (-6,6),(-6, -2)
None of the above​

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?