Solve the problem.Park rangers catch, tag, and release 240 water buffalo back into a wildlife refuge. Two weeks later they observe a sample of 210 buffalo, of which 6 are tagged. Assuming that the ratio of tagged buffalo in the sample holds for all buffalo in the refuge, how many buffalo are there in the park?
A. 10,500 buffalo
B. 8400 buffalo
C. 6300 buffalo
D. 7350 buffalo
Answer: B
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Find the speed of the boat in still water.
A. 72 mph B. 63 mph C. 54 mph D. 28 mph
Use synthetic division to divide.(x3 + 125) ÷ (x + 5)
A. x2 + 5x + 25 B. x2 + 25 C. x2 + 5x - 25 D. x2 - 5x + 25
Provide an appropriate response.For a certain system of three linear equations, the solution set is 
and 
Find the values of Dx, Dy, and Dz.
A. Dx = -510; Dy = 570; Dz = 540
B. Dx = - 
; Dy = 
; Dz = 
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