Find the mean. Round to the nearest tenth when necessary.The numbers of points Dee scored playing basketball over the last four games were as follows: 15, 7, 21, 15
A. Mean = 15 points
B. Mean = 21.7 points
C. Mean = 13 points
D. Mean = 14.5 points
Answer: D
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Solve the quadratic equation by factoring.
- 
x + 1 = 0
A. 
B. {12, 10}
C. {-1, 0}
D. {11, 11}
Solve the equation.
= 0
A. (-?, -9] ? [9, ?) B. 9 C. 9, -9 D. -9
Solve the problem.From April through December, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. Find the average rate of change in price per month between June and September. Round to the nearest cent. 
A. $7.33 per month B. $11.00 per month C. -$11.00 per month D. -$7.33 per month
Find an Eulerian circuit of the graph if it is possible. If it is not, find an Eulerian path of the graph.
a. path B-C-E-G-D-E-B-D-F-H-G-F-A
b. circuit A-B-C-E-D-G-H-F-A
c. path B-C-E-G-D-E-B-D-F-H-G-F-A-B
d. circuit B-C-E-G-D-E-B-D-F-H-G-F-A-B