Solve the problem.To determine the number of fish in a lake, a park ranger catches 300 fish, tags them, and returns them to the lake. Later, 72 fish are caught, and it is found that 45 of them are tagged. Estimate the number of fish in the lake.
A. 11
B. 480
C. 188
D. 972,000
Answer: B
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Rewrite the expression in terms of exponentials and simplify the results.sinh (2 ln 8x)
A. 
B. 4
C. 16x
D. 
Simplify the expression. Write the result using positive exponents only.r-5
A. - 
B. r1/5
C. 
D. -r5
Provide an appropriate response.If the graphs of a system of two equations are both circles, what are the possible numbers of solutions with real coordinates of this system?
What will be an ideal response?
Solve. If necessary, round to the nearest tenth.The zoo has hired a landscape architect to design the triangular lobby of the children's petting zoo. In his scale drawing, the longest side of the lobby is 15 cm. The shortest side of the lobby is 6 cm. The longest side of the actual lobby will be 49 m. How long will the shortest side of the actual lobby be?
A. 19.6 m B. 0.2 m C. 1.2 m D. 122.5 m