Find the LCM.9x11, 9x12, and 9x7
A. 27x
B. 9x12
C. 9x7
D. 9x11
Answer: B
Mathematics
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Find the second-order partial derivatives of the given function. Show that the mixed partial derivatives fxy and fyx are equal.
?
?
A. 
B. 
C. 
D. 
Mathematics
Write in exponential notation.6 ? 6 ? 6 ? 6 ? 6
A. 56 B. 60 C. 5 ? 6 D. 65
Mathematics
Use the quadratic formula to solve the equation.z2 + 10z + 3 = 0
A. -5 ± 
B. 5 ± 
C. -10 + 
D. 5 + 
Mathematics
Graph the level curves in the first octant at heights of 
and 
for the given equation.x2+ z2= 16 
A. 
B. 
C. 
D. 
Mathematics