For StartFraction 8 x Superscript 7 Baseline + 10 x Superscript 6 Baseline + 20 x Superscript 5 Baseline + 33 x Superscript 4 Baseline + 23 x cubed + 37 x squared + 9 x + 4 Over (x + 1) squared (x squared + 1) cubed EndFraction , which expression represents the correct form of the partial fraction decomposition?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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.