Simplify the expression.(y3)6
A. 6y18
B. y18
C. y9
D. 6y3
Answer: B
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Multiply.(3n9 + 2)(3n9 - 2)
A. 9n18 + 4 B. 9n18 - 4 C. 9n18 - 6n9 - 4 D. 3n18 - 4
Write the fraction.In a science class containing 54 students, there are 16 freshmen, 13 sophomores, 7 juniors, and the rest are seniors. What fraction of the class is freshmen?
A. 
B. 
C. 
D. 
If 
with A in QIII, and 
with B in QI, find
?
What will be an ideal response?
Find all relative extrema for the function, and then match the equation to its graph.
z = -x4 + y4 + 2x2 - 2y2 + 
A. Relative maxima of 
at (1, 1) and
at (-1, -1); saddle point at (0, 0)
B. Relative minima of - 
at (0, 1) and
at (0, -1); saddle point at (0, 0)
C. Saddle points at (0, 0), (-1, 1), (1, -1), (1, 1),
and (-1, -1)
D. Relative maxima of 
at (-1, 1) and
at (1, 1)