Perform the operation. Write the answer as a fraction in lowest terms.2 ? 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. -10x - 10y + 12z = 8 B. x + y + z = 8 C. x + y + z = 1 D. -10x - 10y + 12z = 1
Mathematics
Evaluate the absolute value.|2|
A. 4 B. 0 C. 2 D. -2
Mathematics
Solve the equation by using the square root property. Simplify all radicals.
2 = 128
A. 
B. {7 ± 56
}
C. 
D. {-7 ± 56
}
Mathematics
Assume that x, y, and z are positive numbers. Use the properties of logarithms to write the expression 
as the logarithm of one quantity.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics