Find the real solutions, if any, of the equation. Use the quadratic formula.8x2 - x + 4 = 0
A. 
B. no real solution
C. 
D. 
Answer: B
Mathematics
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Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Determine if the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10. If it is not divisible by any of these, then answer "None".30
A. None B. 2, 3, 5, 6 C. 2, 3, 5, 10 D. 2, 3, 5, 6, 10
Mathematics
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 20 watches B. 31 watches C. 63 watches D. 39 watches
Mathematics
Determine whether or not the function is one-to-one.
A. No B. Yes
Mathematics