Answer the following questions about this regular polygon.

a) What is the measure of each exterior angle?

b) What is the measure of each interior angle?

c) How many diagonals can be drawn from one vertex?

d) The diagonals drawn in problem c divide the polygon into how many triangles?

In the rectangle below ac=30 units what is de

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.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319