5(x -4) - 20 = -15
step 1: -5x + 20 -20 = -15 (distributive)
step 2: -5x = -15
step 3: x = 3 (multiplicative inverse)

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

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?