Simplify the exponential expression. Write the result using only positive exponents.
A. y2
B. y12
C. 
D. y8
Answer: D
Mathematics
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A. 10 B. 15 C. 13 D. 7 E. 16
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Factor the special product.x2 + 2x + 1
A. (x - 1)2 B. (x + 2)2 C. (x + 1)(x - 1) D. (x + 1)2
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Solve the inequality graphically.x2 - 3x - 10 < 0
A. (-?, -2) ? (5, ?) B. (5, ?) C. (-2, 5) D. (-?, -2)
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A fair coin is thrown. Let A be the event "at most four heads appear" and B be the event "exactly two heads appear."Find Pr(A|B).
Fill in the blank(s) with the appropriate word(s).
Mathematics