Simplify the expression. Assume that all variables are positive.
? 
A. 2x4
B. 2x8
C. 4x4
D. 2
Answer: A
Mathematics
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Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Find equations for the tangent plane and the normal line to the surface with equation x² + 9y² + 9z² = 22 at the point P(2, 1, 1).
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Mathematics
Solve the problem.Suppose you purchase a seven-year muni bond for $9600. The face value of the bond when it matures is $13,128. Find the APR.
A. 
%
B. 5%
C. 4.5%
D. 4%
E. 5.5%
Mathematics
Solve the problem.Determine whether the ordered triple 
is a solution of the system of equations.3x - 2y + 3z = 17 x + 4y - 2z = -82x - y + z = 8
A. Yes B. No
Mathematics