Solve the problem.For the triangle with vertices located at A(3, 4, 5), B(5, 5, 4), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 1j + 
k
B. 5i + 
j + 
k
C. 3i + 
j + 
k
D. 4i + 
j + 
k
Answer: C
Mathematics
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Decide whether the statement is true or false.
is irrational.
A. True B. False
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Factor, if possible.12x2y2 + 23xy2 + 10y2
A. y2(4x + 5)(3x + 2) B. y2(4x + 5)(3x - 2) C. (4xy + 5y)(3xy + 2y) D. y2(4x - 5)(3x + 2)
Mathematics
Use reduction formulas to evaluate the integral.
A. 4 sin 2x - 
sin3 2x + C
B. 2 sin 2x - 
sin3 2x + C
C. 2 sin 2x - 
cos3 2x + C
D. 2 sin 2x + 
sin3 2x + C
Mathematics
Multiply. 
A. 4510.52 B. 45.1052 C. 451.052 D. 4.51052
Mathematics