Which set of ordered pairs represents a function? A. (2, 5), (1, 6), (0, 5), (1, 10)
B. (0, 0), (1, 1), (2, 0), (3, 3)
C. (2, 1), (3, 1), (5, 1), (5, 4)
D. (5, 4), (4, 5), (1, 2), (1, 4)

What is the difference between a linear interval and a nonlinear interval?

Who can me with this algebra for your guys.

Cesar bought 7 items at the candy store. he bought candy bars for $0.50 each and packs of gum for $0.95 each. he spent a total of $6.80. what system represents the solution for the number of candy bars (x) and the number of pack gum (y) purchased?