Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.z-2/7 ? z3/7
A. z7/6
B. z1/7
C. z-1/7
D. z6/7
Answer: B
Mathematics
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Determine whether the statement is true or false.If n is a natural number and 8|n, then 16|n.
A. True B. False
Mathematics
Solve.x5 + 56 > 7x3 + 8x2
A. (-?, -
) ? (2, 
)
B. (-
, 
)
C. (-7, ?)
D. (-
, 2) ? (
, ?)
Mathematics
Solve the inequality. Express your answer using interval notation.
-1/2 > 0
A. (8, ?)
B. (- ?, 8)
C. (- ?, 8]
D. [8, ?)
Mathematics
Solve by the method of your choice.2x2 + xy - y2 = 3x2 + 2xy + y2 = 3
A. 
B. 
C. 
D. 
Mathematics