Atriangle has sides with lenghs of 3x+3 ,2x+2 and 4x-1. what is the perimiter of the triangle

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.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3