Solve.A paperweight is in the shape of a square-based pyramid 9 centimeters tall. If an edge of the base is 
find the volume of the pyramid.
A. 6084 cu cm
B. 507 cu cm
C. 1521 cu cm
D. 507 ? cu cm
Answer: B
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Solve the problem.The Tasmanian House of Representatives has 435 members. A set of 3 leaders - a Speaker, a Whip, and a Secretary - must be selected. How many different sets of leaders can be selected?
A. 435 × 434 × 433
B. 4353
C. 3435
D. 
E. none of these
Answer the question.How would you find the empirical probability of getting a red card, if you are choosing a card from an ordinary deck of 52 cards?
A. Choose a card from a deck of 52 cards 52 times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by 52. B. Choose a card from a deck of 52 cards 2 times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by 2. C. Choose a card from a deck of 52 cards many times and then find the relative frequency of red cards. This would be done by dividing the number of times a red card has occurred by the total number of times a card was chosen. D. The empirical probability cannot be determined.
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.3 - 15 + 75 - 375 + ... + (-1)n-1 3 ? 5n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Solve the equation.(y - 8) - (y + 7) = 4y
A. 
B. 
C. 
D. 