Write a stochastic matrix corresponding to the transition diagram.
A = 0.4B = 0.4C = 0.1D = 0.5 E = 0.2
A. 
B. 
Answer: B
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Simplify the expression.
A. 
B. 
C. 
D. 
Answer the question.A balloon in the shape of a sphere is deflating. Given that t represents the time, in minutes, since it began losing air, the radius of the balloon (in cm) is 
Let the equation V(r) = 
?r3 represent the volume of a sphere of radius r. Find and interpret (V ? r)(t).
A. (V ? r)(t) = 
?(19 - t)3; this is the volume of the air lost by the balloon (in cm3) as a function of time (in minutes).
B. (V ? r)(t) = 19 - 
?(19 - t)3; this is the volume of the air lost by the balloon (in cm3) as a function of time (in minutes).
C. (V ? r)(t) = 
?(19 - t)3; this is the volume of the balloon (in cm3) as a function of time (in minutes).
D. (V ? r)(t) = 
?(t - 19)3; this is the volume of the balloon (in cm3) as a function of time (in minutes).
Factor completely. If a polynomial cannot be factored, say it is prime.xy - 5yz + 10x - 50z
A. (y + 5)(x - 10z) B. (y - 10)(x + 5z) C. (y - 5)(x + 10z) D. (y + 10)(x - 5z)
Evaluate the expression using the given values.
; x = 12, y = -5
A. 17
B. 13
C. 
D. 15