Solve the problem.Suppose that 12 fair coins are tossed. Find the numbers of ways of obtaining exactly 8 heads.
A. 48
B. 11,880
C. 9,979,200
D. 495
Answer: D
Mathematics
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Use ?, ?, ?, or both ? and ? to make a true statement.{x | x ? N and x > 8} 
{x | x ? N and 3 < x ? 8}
A. ? B. ? C. ? and ? D. ?
Mathematics
Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x)= x4 - 2x2 + 1 
A. 0 (multiplicity 2), -1 (multiplicity 2);
B. -1 (multiplicity 4);
C. 1, -1 (multiplicity 3);
D. 1 (multiplicity 2), -1 (multiplicity 2);
Mathematics
Simplify and add or subtract wherever possible.8
- 6
A. 2
B. 2
C. -48
D. 14
Mathematics
Simplify the square root. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics