Find the expected value for the random variable.
A. 8.46
B. 9
C. 9.06
D. 5.79
Answer: A
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Construct a stem and leaf display for given data.Here are the final scores for the last 16 games played by the local basketball team.
A. 
B. 
C. 
D. 
Use problem solving strategies to solve the problem.Luis is thinking of a number. If you multiply it by 4 and subtract 10, you get 58. What number is Luis thinking of?
A. 108 B. 7 C. 28 D. 17
Solve the problem. Use a Venn diagram, as needed.A survey of 280 families showed the following:107 had a dog;82 had a cat;37 had a dog and a cat;105 had neither a cat nor a dog nor a parakeet;9 had a cat and dog and a parakeet.How many had a parakeet only?
A. 38 B. 28 C. 23 D. 33
Factor: 2a2 + 2ab - 12b2
a. (2a + 2b)(a - 6b) b. (2a - 3b)(a + 4b) c. (a + 3b)(2a - 4b) d. (a - 3b)(2a + 4b) e. (2a + 3b)(a - 4b)