Provide an appropriate response.If X is normally distributed with ? = 90 and ? = 10, find P(65 < X < 80).
A. 0.1048
B. 0.1428
C. 0.1347
D. 0.1525
E. 0.1232
Answer: D
Mathematics
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Solve.A dart player made 30 bull's eyes out of 100 attempted throws. What percent of the throws were bull's eyes?
A. 
%
B. 70%
C. 30%
D. 
%
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Tell whether the set is well defined. ? {Good bets on the next race at Hialeah.} ?
A. well defined B. not well defined
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Factor completely. If the polynomial cannot be factored, say it is prime.10x4 - 17x2 - 20
A. (10x2 - 5)(x2 + 4) B. (2x2 - 5)(5x2 + 4) C. (5x - 4)(2x + 5) D. (2x2 + 1)(5x2 - 20)
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Solve the problem.The area of the rectangle shown is 35 in.2. Find the length and the width of the rectangle. 2x + 5 
A. length: 15 in.; width 1 in. B. length: 5 in.; width 7 in. C. length: 17.5 in.; width 17.5 in. D. length: 6 in.; width 6 in.
Mathematics