Which of the following relations describes a function? OA. {(-3,0), (0,3), (3, 0), (0, -3))
OB. ((-4,4), (-3,-3), (-3, 3), (0, 0)}
OC. {(0, 0), (3,-3), (3, 3), (4,4)}
OD. {(-4,4), (-3, 3), (3, 3), (4,4)}

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i