Solve the problem.If you toss five fair coins, in how many ways can you obtain at least one head?
A. 16 ways
B. 32 ways
C. 31 ways
D. 15 ways
Answer: C
Mathematics
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Simplify the expression.
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A. 
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B.
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C.
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D.
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E.
Mathematics
Find two integers whose product is 77 such that one of the integers is three less than twice the other integer.
A. 8, 12 B. 8, 10 C. 6, 12 D. 6, 10 E. 7, 11
Mathematics
Solve the problem.A $90,000 trust is to be invested in bonds paying 8%, CDs paying 5%, and mortgages paying 9%. The bond and CD investment together must equal the mortgage investment. To earn a $7020 annual income from the investments, how much should the bank invest in bonds?
A. $24,000 B. $22,000 C. $45,000 D. $21,000
Mathematics
Find all the spanning trees in the graph.
What will be an ideal response?
Mathematics