Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(1, 0), (-1, 0)} B. {(2, 0), (-2, 0), (1, 0), (-1, 0)} C. {(2, 1), (-2, -1), (1, 2), (-1, -2)} D. {(2, 1), (1, 2)}
Mathematics
Solve the problem.f(x) = log2(x - 1) and g(x) = log2(2x + 26).Solve f(x) + g(x) = 6.
A. {-3} B. {-8} C. {8} D. {3}
Mathematics
Find the exact value of the logarithmic expression.log6 
A. 0 B. 6 C. 1 D. -1
Mathematics
Add and subtract as indicated.-9 - 15 + 19
A. -13 B. -5 C. 13 D. 25
Mathematics