Which of the following statements are true about the given rational equation? Check all of the boxes that apply.

4
x + 6
+
1
x2
=
x + 10
x3 + 6x2

For what value of (y) is 3^3/3^y =1/9

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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.