Find the flux of the curl of field F through the shell S.F = 5yi + 2xj + cos(z)k ; S: r(r,?) = 2 sin ? cos ?i + 2 sin ? sin ?j + 2 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. -12
B. -24?
C. -12?
D. 24?
Answer: C
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Use the table below to write the Mayan numeral as a Hindu-Arabic numeral.
A. 2286 B. 18 C. 45,366 D. 4326
Refer to the following normal curve, with mean ? and standard deviation ?.
The mean ? =
A. 12 B. 39 C. 54 D. 48 E. none of these
Determine the probability using a probability tree.A bag contains 3 red and 6 yellow marbles. Two marbles are drawn without replacement. Determine the probability of picking two red marbles.
A. 
B. 
C. 
D. 
Solve the problem.A guy wire to a tower makes a 69° angle with level ground. At a point 33 ft farther from the tower than the wire but on the same side of the base as the wire, the angle of elevation to the top of the pole is 31°. Find the wire length (to the nearest foot).
A. 28 ft B. 56 ft C. 61 ft D. 33 ft