Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 
B. xy 
C. 
D. xy 
Answer: B
Mathematics
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Solve the equation.e x + 4 = 7
A. {ln 11} B. {e7 + 4} C. {ln 7 - 4} D. {e28}
Mathematics
Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = -i + 6j, v = 3i - 4j
A. 64.3° B. 152.6° C. 62.6° D. 0.9°
Mathematics
Factor completely. If the polynomial is prime, say so.y3 - 27
A. (y - 3)(y2 - 9) B. (y - 3)(y2 + 3y + 9) C. (y + 3)(y2 - 3y - 9) D. (y - 3)(y2 + 3y - 9)
Mathematics
Solve.(7x - 5)(7x - 1) = 0
A. 
, 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics