Which of the following lists of ordered pairs is a function? A. (2,5), (3, -4), (4, 7), (2, 2)
B. (-2,3), (2, 4), (-3, 6), (3,7)
O C. (0,3), (-1, 4), (1, 6), (-1,7)
D. (1, 1), (2, 2), (3, 1), (3, 2)

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Use sigma notation to represent the following series for 9 terms.