Solve the problem.Find the consumers' surplus if the demand for an item is given by 
assuming supply and demand are in equilibrium at 
A. 72
B. 144
C. 216
D. 432
Answer: B
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Provide an appropriate response.Playing a fair "shell game," the probability of winning the game should be given by p = 
. One person plays the game 50 times but only wins 7 times. Using n = 50, approximate P(X = 7) by using the normal approximation.
Fill in the blank(s) with the appropriate word(s).
Solve the equation.9y = -36
A. -4 B. 4 C. 45 D. -45
Find a polynomial of least degree with only real coefficients and having the given zeros.2 + i, 4
A. f(x) = x3 + 9x2 + 20x + 20 B. f(x) = x3 - 4x2 - (3 - 4i) x + 12 + 16i C. f(x) = x3 + 8x2 + 21x + 20 D. f(x) = x3 - 8x2 + 21x - 20
Write as the sum and/or difference of logarithms. Express powers as factors.log5
A. 
log5
B. 7log5y - 4log5x
C. 4log5x - 7log5y
D. 4log5x + 7log5y