Determine if the relation is a function
(-1, 5), (0,3), (2,3), (3, -1)

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

What could explain what happened when the time was equal to 120 minutes

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.