Which of the following lists of ordered pairs is a function? (-1, 2), (2, 3), (3, 1), (2, 5)

(1, 2), (4, 0), (3, 5), (4, 3)

(2, 5), (3, 6), (6, 9)

(2, 5), (3, 6), (2, 1)

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Vertical angles must check all that apply

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?