Which of the following statements shows how to calculate the reference angle for delta= 11pi / 6 pi- delta
delta- pi
2pi - delta

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Need on this geometry question. explain how you did it.