Simplify. Assume that all variables represent positive real numbers.
+ 
A. 9
B. 18
C. 3
D. 2
Answer: B
Mathematics
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Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2C
A. 
B. - 
C. 
D. - 
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Factor.36z6 + 72z4 + 32z2
A. 4z2(3z2 - 4)(3z2 - 2) B. 4z2(3z2 + 2)(3z2 + 4) C. (12z3 + 8)(3z3 + 4) D. 4(3z4 + 2)(3z2 + 4)
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Solve the equation.2(5 - 3x) = 
A. 
B. 8
C. 3
D. -3
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Expand the expression.log6 
A. 8 log6 x - 
log6 y + 
log6 z
B. 8 log6 x - 
log6 yz9
C. 8 log6 x - 
log6 y - 
log6 z
D. 
Mathematics