Tell whether the lines are "parallel", "perpendicular", or "neither."9x + 3y = 1212x + 4y = 18
A. Neither
B. Parallel
C. Perpendicular
Answer: B
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 20xz3i + 11yj - 5z4k; D: the solid wedge cut from the first quadrant by the plane 
and the elliptic cylinder x2 + 4y2 = 16
A. 44
B. 88
C. 
D. 176
Solve the system.
A. x = 2, y = -1, z = 9 B. x = 2, y = -1, z = -9 C. x = -2, y = -1, z = -9 D. x = -2, y = -1, z = 9
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 6 weeks?
A. 56,000 people B. 180 people C. 54,854 people D. 57,867 people
Solve, finding all solutions in [0, 2?).2 sin x cos x - 2 sin x + cos x = 1
A. No solution
B. 0, 
, 
C. 0, 
, 
D. 0, 
, 