A game has payoff matrix A = 
. Player R uses strategy [ 0.3 0.7 ] and player C uses strategy 
. What is the expected value of the game?
A. 
[ 0.3 0.7]
B. [ 0.3 0.7] A 
C. 
A [0.3 0.7]
D. [0.3 0.7] 
E. none of these
Answer: B
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When velocity is constant and negative, what can be said about directed distance?
A. Directed distance is a linear function with negative slope. B. Directed distance is a linear function with positive slope. C. Directed distance is constant and negative. D. Directed distance is constant and positive.
Solve the problem.A 69-inch by 32-inch door contains a stained glass elliptical insert as shown. One vertex of the ellipse is located 8 inches from the top of the door. The other vertex is located 25 inches from the bottom of the door. The endpoints of the minor axis are located 7 inches from each side. Find the equation of the elliptical decorative glass insert. (Assume that the center of the elliptical glass insert is at the origin.) 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Provide an appropriate response.Solving for which variable in which equation involves the least amount of work? 2x = 6x - 8y = 19
A. x in equation 2 B. y in equation 1 C. x in equation 1 D. y in equation 2
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = x2 + 7x + 10
A. x-intercepts: 2 and -5; y-intercept: 0 B. x-intercepts: -2 and 5; y-intercept: 10 C. x-intercepts: 2 and 5; y-intercept: -9 D. x-intercepts: -2 and -5; y-intercept: 10