Solve the problem.Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 7%. Her total annual income from the investments was $6700. Find the amount invested at 10%.
A. $63,300
B. $59,000
C. $30,000
D. $60,000
Answer: D
Mathematics
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Solve the equation.u2 + 16u + 47 = 0
A. -16 + 
B. 8 + 
C. -8 - 
, -8 + 
D. 8 - 
, 8 + 
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Use a calculator to evaluate the expression.-8.55
A. -44,370.53 B. 42.50 C. -42.50 D. 44,370.53
Mathematics
Solve.What is the difference in elevation between a plane flying 17,500 feet above sea level and a submarine traveling 560 feet below sea level?
A. 16,940 feet B. 18,060 feet C. 16,960 feet D. 18,000 feet
Mathematics
Express the number in decimal notation.8.505 × 10-5
A. 0.000008505 B. -850,500 C. 0.00008505 D. 0.0008505
Mathematics