The vertex of this parabola is at (2,-4). which of the following could be its equation?
a)y=2(x-2)2 +4
b)y=2(x-2)2 -4
c)y=2(y-4)2 +2
dy=2(y+4)2 +2

Construct a box plot to represent the ages of the actors in a play. step 1: arrange the numbers in order from lowest (on the left) to highest. 24 18 30 26 24 33 32 44 25 28