Which of the following represents a function? A.{(-2, 1), (-2, 0), (-2, 1), (-2, 2)}
B.{(-1, 0), (0, 1), (1, 2), (2, 3)}
C.{(1, 3), (3, 1), (2, 3), (3, 2)}
D.{(5, 5), (5, 4), (5, 3), (5, 2)}

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Which of the following statements is a true conclusion that can be made from the scaled bargraph?