Find the determinant of the given matrix. 
A. -8
B. 0
C. 20
D. -20
Answer: C
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 5
D. 5
Mathematics
Solve the problem.Let f(x) = sin x, g(x) = x - ?/6, and h(x) = 2x. Find f(g(?/6)).
A. 1 B. 0 C. 2 D. -1
Mathematics
Factor when possible.x3 - 2x2 - 3x + 6
A. (x2 - 3)(x - 2) B. (x2 + 3)(x + 2) C. (x - 3)(x - 2) D. (x2 - 2)(x - 3)
Mathematics
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
List the elements in the following set.A ? ?
A. {q, s, u, v, w, x, y, z} or A B. {w, y} C. ? D. {q, s, u, v, x, z}
Mathematics