Express the radical in simplest form, rationalize denominators, and perform the indicated operations.
+ 3
A. 9
B. 9
C. 21
D. 18
Answer: A
Mathematics
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Evaluate the expression for the given replacement values.
x = 6, y = -9, z = 18
A. - 2 B. 2 C. 1 D. -1
Mathematics
Find the product.(6x - 5 + 6y)2
A. 36x2 - 60x + 72xy - 60y + 36y2 B. 36x2 - 60x + 25 + 72xy - 60y + 36y2 C. 36x2 - 60x + 25 + 36xy + 30y + 36y2 D. 36x2 - 30x + 25 + 36xy + 30y + 36y2
Mathematics
Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 15 B. -15 C. -450 D. 30
Mathematics
Solve the equation for solutions in the interval [0, 2?).tan 2x - tan x = 0
A. 
B. 
C. {0, ?}
D. {0}
Mathematics