5)
Complete the square to determine the maximum or minimum value of the function defined by the expression.

x2 + 30x + 21
A) maximum value at 15
B) maximum value at 30
C) maximum value at −15
D) minimum value at −204

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle