A study was done by a social media company to determine the rate at which users used its website. A graph of the data that was collected is shown:
у
22A
20
18
16
14
Number of Users
(in thousands)
12
10
8
6
4
2.
0
3
6
9
12
15
18
21
24
27
Number of Months
What can be interpreted from the range of this graph?

What are the sotions to the quadratic equation 9x^2=4

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

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.