Find the probability.A lottery game has balls numbered 1 through 21. A randomly selected ball has an even number or a 10.
A. 
B. 
C. 
D. 10
Answer: C
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Solve.27 = 6 + x
A. 11 B. 31 C. 27 D. 21
Factor by grouping.x3 + 2x2 + x + 2
A. (x2 + 1)(2x + 2) B. (x2 + 1)(x + 2) C. (2x2 + 2)(x + 1) D. (x2 + 2)(x + 1)
Find the distance between the points. ? (-8, -5), (-2, 3) ?
A. 10? B. 100 C. 2 D. 5 E. 8
A franchise models the profit from its store as a continuous income stream with a monthly rate of flow at time t given by 
(dollars per month). When a new store opens, its manager is judged against the model, with special emphasis on the second half of the first year. Find the total profit for the second 6-month period
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. Round your answer to the nearest dollar.
?
A. $61,831
B. $51,679
C. $40,973
D. $30,821
E. $46,232