Solve the problem.Mary finds 9 fish at a pet store that she would like to buy, but she can afford only 4 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 1512; 168
B. 3024; 336
C. 15,120; 6720
D. 126; 56
Answer: D
Mathematics
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Write the set in set builder notation.{14, 15, 16, 17}
A. {x ? N? x < 18} B. {x ? N? 13 < x < 18} C. {x ? N? 14 < x < 17} D. {x? 14 < x < 17}
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Find the value. 
A. 48.059 B. 36.621 C. 33.353 D. 30.293
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 
D. 
Mathematics
Determine the terms and degree of the polynomial.-8x4 + 5x3 - 5x2 + x + 4
A. Terms: -8x4, 5x3, - 5x2, x, 4; degree: 10 B. Terms: 8x4, 5x3, 5x2, x, -4; degree: 4 C. Terms: 8x4, 5x3, 5x2, x, -4; degree: 10 D. Terms: -8x4, 5x3, - 5x2, x, 4; degree: 4
Mathematics