Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?

A. $300
B. $0.60
C. $1
D. $100


Answer: B

Mathematics

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Find the following. Assume that letters can represent any real number.

A.  - 4
B. x - 4
C.
D. 4 - x

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Provide an appropriate response. Find the length of Y in this truss design. 

A. 14.6 ft B. 9.8 ft C. 20.9 ft D. 6.9 ft

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Multiply.

A.
B.
C.
D.

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Use Pascal's triangle to expand the binomial.(4x - 3y)3

A. 16x3y - 24x2y2 + 9xy3 B. 16x3y - 12x2y2 + 9xy3 C. 64x3 - 144x2y + 108xy2 - 27y3 D. 64x3 - 48x2y + 36xy2 - 27y3

Mathematics