Write the payoff matrix for the game.Player R has two cards: a red 2 and a black 7. Player C has three cards: a red 5, a black 6, and a black 10. They each show one of their cards. If the cards are the same color, C receives the larger of the two numbers. If the cards are of different colors, R receives the sum of the two numbers.
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.If A is a 6 × 7 matrix and A+ K = A, what can you say about K?
A. K is a 6 × 7 matrix and all entries of K are equal to 0. B. K is a 6 × 7 matrix and each of its entries is the negative of the corresponding entry of A. C. K is a 7 × 6 matrix and each of its entries is the negative of the corresponding entry of A. D. K is a 7 × 6 matrix and all entries of K are equal to 0.
Using the variable x, write the interval as an inequality.
A. x > 
B. x ? 
C. x < 
D. 9 ? x ? 2
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.3
A. 3.437
B. 3.4
C. 3.43
D. 3.4375
Simplify.(9x3 + 2x2) - (8x2 - 6x -1) - (4x3 + x - 3)
A. 5x3 + 6x2 + 7x - 4 B. 5x3 - 4x2 - 5x + 4 C. 5x3 - 6x2 + 5x + 4 D. 13x3 - 10x2 + 5x - 4