Solve.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 32 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 160 minutes
assistant: 640 minutes
B. baker: 9
minutes
assistant: 37 minutes
C. baker: 40 minutes
assistant: 160 minutes
D. baker: 160 minutes
assistant: 40 minutes
Answer: C
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Use Gauss's Divergence Theorem to calculate 
.F(x, y, z) = x2yzi + xy2zj + xyz2k, S is the box 0 ? x ? 1, 0 ? y ? 3, 0 ? z ? 1.
A. 27
B. 54
C. 
D. 
Use scientific notation to perform the computation. Leave the answer in scientific notation.
A. -3.0 × 10-2 B. 3.0 × 10-2 C. -3.0 × 102 D. 3.0 × 102
Solve.The manager of a video store recorded the number of video tapes borrowed each day for 12 consecutive days. The results were as follows. What was the median number of video tapes borrowed? 
A. 243 B. 234 C. 252 D. 226.5
Draw the graphs of the pair of linear equations. Find the point of intersection. If the lines do not intersect, tell whether the lines are parallel or coincide.
A. 
B. 
C. 
D. 