Is this a function?
{(-1,3); (-2,-3); (2,0); (0,2)}

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)