Factor completely. If unfactorable, indicate that the polynomial is prime.5x2 - 10x - 5x + 10
A. (5x - 5)(x - 2)
B. 5(x - 2)(x + 1)
C. 5(x - 2)(x - 1)
D. (5x - 10)( x - 1)
Answer: C
Mathematics
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Solve the problem.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 12 hours. If he trained for 2
hours on the first day and 3
hours on the second day, how many hours would he need to train on the third day?
A. 6 hr
B. 6
hr
C. 5
hr
D. 5
hr
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Solve. Remember to insert units when writing your answer.One bag of chips weighs 
oz. How many pounds will 9 bags weigh?
A. 
lb
B. 5
lb
C. 5
lb
D. 82
lb
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Find the value for the function.Find f(-x) when f(x) = 
.
A. 
B. 
C. 
D. 
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