Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Calculate the volume of the parallelepiped with edges a = 
, b = 
, and c = 
.
A. 8 B. 4 C. 20 D. 16
Mathematics
Solve the equation.
= 
+ 3
A. {63}
B. {21}
C. {27}
D. 
Mathematics
Solve the equation for solutions in the interval [0, 2?).tan 2x - tan x = 0
A. 
B. 
C. {0, ?}
D. {0}
Mathematics
Solve the system of linear equations.x + 5y = 0x - 5y = 40
A. (-4, 20) B. (5, -1) C. (20, -4) D. (20, 4)
Mathematics