Solve.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 7 different flags available, how many different signals can be flown?
A. 35
B. 210
C. 343
D. 21
Answer: B
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Find the linear approximating polynomial for the function centered at a.f(x) = tan x, a = 0
A. L(x) = x B. L(x) = 4x + 1 C. L(x) = -x D. L(x) = 0
Find the probability.What is the probability that 18 rolls of a fair die will show 4 fours?
A. 0.0920 B. 0.1839 C. 0.0368 D. 0.3678
Factor the polynomial completely.343y3 - 512
A. (7y + 8)(49y2 - 56y + 64) B. (7y - 8)(49y2 + 56y + 64) C. (7y - 8)(49y2 + 64) D. (343y - 8)(y2 + 56y + 64)
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.A basketball fieldhouse seats 15,000. Courtside seats sell for $8, end zone for $6, and balcony for 
Total for a sell-out is 
If half the courtside and balcony and all end zone seats are sold, ticket sales total 
. How many of each type of seat are there?
A. 3000 courtside 2000 end zone 10,000 balcony B. 3200 courtside 1800 end zone 10,000 balcony C. 4000 courtside 3000 end zone 8000 balcony D. Cannot be determined