Find the equation of the line which passes through the point (1,2), and is perpendicular to the line with the equation y=−12x+5. Express your answer in slope-intercept form. Simplify your answer.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

What is x3+3x2−16x−48 divided by x−1?

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.