Solve the inequality for x. –8x – 16 < –72 A) x < 7 B) x < 11 C) x > 7 D) x > 11

What does x = in this equation x+3+2x=x+5

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.