Solve the quadratic equation by completing the square.z2 + 12z + 13 = 0
A. -6 ± 
B. 6 ± 
C. 6 + 
D. -12 + 
Answer: A
Mathematics
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For a certain substance, we get next week's amount by dividing by 5. That means the amount is showing exponential decay. What is the weekly decay factor? Round your answer to two decimal places. ?
A. 0.20 B. 5.00 C. 1.19 D. None of the above
Mathematics
Find the amount of interest earned by the deposit.$1000 at 7% compounded semiannually for 10 years
A. $1989.79 B. $922.50 C. $989.79 D. $967.15
Mathematics
Convert the units.9 kg = 
mg
A. 9,000,000 mg B. 0.009 mg C. 9,000 mg D. 0.09 mg
Mathematics
Make a line graph of the data.Percent P of full-time employees working for a small company.
A. 
B. 
C. 
D. 
Mathematics