Which relation is a function? Grupp av svarsalternativ

(2, 7), (6, 5), (4, 4), (3, 3), (2, 1)

(1, 1), (2, 2), (3, 3), (4, 4), (5, 8)

(9, −3), (9, 3), (4, −2), (4, 2), (0, 0)

(1, 0), (3, 0), (1, 1), (3, 1) (1, 3)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.