Solve the problem.To determine the number of fish in a lake, a park ranger catches 280 fish, tags them, and returns them to the lake. Later, 108 fish are caught, and it is found that 48 of them are tagged. Estimate the number of fish in the lake.
A. 630
B. 124
C. 1,451,520
D. 19
Answer: A
Mathematics
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Solve.-21 = -56y
A. y = 
B. y = - 
C. y = - 
D. y = 
Mathematics
Write the first five terms of the arithmetic sequence with the given first term, a1, and common difference, d.a1 = 13; d = -5
A. 13, 8, 3, -2, -7 B. 13, 8, 2, -2, -7 C. 8, 3, -2, -7, -12 D. 18, 13, 8, 3, -2
Mathematics
Compute AB, if possible.A = 
and B = 
A. 
B. 
C. 
D. 
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.3x2 + 13x - 10 ? 0
A. [-5, ?)
B. (-?, -5] ? 
C. 
D. 
Mathematics