Solve the problem.A man 6 ft tall walks at a rate of 7 ft/s away from a lamppost that is 18 ft high. At what rate is the length of his shadow changing when he is 70 ft away from the lamppost?
A. 
ft/s
B. 
ft/s
C. 
ft/s
D. 
ft/s
Answer: A
Mathematics
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In the given voting system, the weights represent, in order, voters A, B, C, and so on. Determine which voters are critical in the indicated coalition.[16 : 1, 5, 7, 9] ; coalition {A, C, D}
A. Only D is critical. B. Only C and D are critical. C. Only A is critical. D. None are critical.
Mathematics
Divide.4.6 ÷ 6
A. 0.7
B. 7
C. 7.667
D. 0.767
Mathematics
Determine whether the series is convergent or divergent.
 Figure 3.png)
Mathematics
Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105° B. 145° C. 35° D. 75°
Mathematics