Solve the problem.If 3 balls are drawn at random from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?
A. 1.29
B. 1.39
C. 1.54
D. 0.89
Answer: A
Mathematics
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Decide if an Euler circuit exists for the graph.
A. No B. Yes
Mathematics
Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Write an equation for a sine curve that has the given amplitude and period, and which passes through the given point.Amplitude 5, period 
, point (0, 0)
A. y = 5 sin 
B. y = 5 sin 
C. y = 5 sin 2x
D. y = 5 sin 4x
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - 
f(x + 2) + 5
A. 
B. 
C. 
D. 
Mathematics