Suppose that a game has payoff matrix 
. Determine the optimal pure strategies for R and C.
A. R - row 2, C - column 2
B. R- row 1, C - column 1
C. R - row 2, C - column 1
D. R - row 1, C - column 2
E. none, because the game is not strictly determined
Answer: B
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A. ,???
B. 
??
C. ,???
D. 
??
Solve the polynomial inequality.(x + 4)(x - 4)(x - 8) < 0
A. (8, ?) B. (-?, -4) ? (4, 8) C. (-4, 4) ? (8, ?) D. (-?, 4)
Find the midpoint of the line segment whose endpoints are given.(8
, 4
), (13
, 9
)
A. 
B. (21
, 13
)
C. 
D. 
Solve the problem.A small business owner made $30,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $205,770.00; $401,070.00 B. $38,850.87; $137,193.87 C. $390,963.00; $792,033.00 D. $21.87; $32,964.87