Aright triangle is drawn on a coordinate plane. two vertices of the triangle are points d(6,−7) and f(−8,−5) . the third vertex of the triangle is point e, which lies in the fourth quadrant of the coordinate plane. what is the distance from point e to point f? enter your answer in the box.

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Find percent notation for 0.008 0.008=

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.