19. Which of the following ordered pair could NOT be included in this set if it is a function? { (-4, 2), (3, 6), (4,3), (x, y)}
O x, y) = (4, -3)
O (x, y) = (-3, 6)
otebo...
O (x, y) = (1, 2)
(x, y) = (3,6)

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.