Simplify the expression.-5(x + 2) + 11x
A. 16x + 10
B. 6x + 10
C. -16x - 10
D. 6x - 10
Answer: D
Mathematics
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Find the equation for the hyperbola described.Foci at (8, 0) and (-8, 0); vertex at (-5, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
÷ 2
A. 7
B. 
C. 
D. 
Mathematics
Solve the problem.Andy has 18 coins made up of quarters and half dollars, and their total value is $7.00. How many quarters does he have?
A. 8 quarters B. 13 quarters C. 12 quarters D. 10 quarters
Mathematics
Determine the doubling time of the investment.5% APR compounded continuously
A. 13.86 years B. 20.79 years C. 27.73 years D. 11.09 years
Mathematics