Subtract. Use borrowing, if necessary. 
A. 7161
B. 8839
C. 9871
D. 8271
Answer: A
Mathematics
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Solve the problem.Suppose that the daily cost C of manufacturing x bicycles is given by 
Then the average daily cost 
is given by 
How many bicycles must be produced each day in order for the average cost to be no more than 
A. at least 2000 bicycles B. at least 200 bicycles C. at most 200 bicycles D. at least 20 bicycles
Mathematics
Find ? if A = ?.
?
?
Remember: The sum of the three angles in any triangle is always 180°.
?
? = __________°
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the quadratic equation by completing the square.x2 + x + 7 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the system.3x - 5y - 10 = 06x + y - 25 = 0
A. 
B. 
C. ?
D. 
Mathematics