Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000
B. $360,000
C. $60,000
D. $218,400
Answer: D
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Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.p(x) = -x2 + 2x - 5
A. 
Vertex (1, -4)
no x-intercepts;
y-int = (0, -5)
B. 
Vertex (-1, 4)
x-int = (-3, 0), (1, 0);
y-int = (0, 3)
C. 
Vertex (1, 4)
x-int = (-1, 0), (3, 0);
y-int = (0, 3)
D. 
Vertex (-1, -4)
no x-intercepts;
y-int = (0, -5)
Use the vectors v, u, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 
Write the first five terms of the arithmetic sequence with the given term and common difference.a1 = 9, d = -3
A. 9, 6, 3, 0, -3 B. 6, 3, 0, -3, -6 C. 12, 9, 6, 3, 0 D. 9, 6, 2, 0, -3
Factor completely. If a polynomial cannot be factored, say it is prime.10x2 - 40x + 5x3
A. 5x(x - 2)(x + 4) B. (5x2 + 10x)(x - 4) C. (x - 2)(5x2 + 20) D. 5x(x + 2)(x - 4)