What are the quartiles in the numbers 21 24 3524 34 32 27 24 31 30 26

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Triangle xyz has vertices x(1,3), y(0,0)