Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 7
C. 11x
D. 
Answer: A
Mathematics
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Simplify the expression. Assume all variables represent nonnegative real numbers. Write the answer in exponential form when necessary.(256x4y-16)1/4(x2y-1/3)
A. 
B. 
C. 4x3y13/3
D. 
Mathematics
List all the factors of each number.90
A. 2 ? 3 ? 5 B. 2 ? 3 ? 3 ? 5 C. 10 ? 3 ? 3 D. 2 ? 2 ? 3 ? 3 ? 5
Mathematics
Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Write an equation that expresses the relationship. Use k for the constant of proportionality.r varies directly as a and inversely as the difference between s and t.
A. r = ka(s - t)
B. r = 
C. r = 
D. r = 
Mathematics