Solve the problem.Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $6900. Find the amount invested at 10%.
A. $59,000
B. $63,100
C. $30,000
D. $60,000
Answer: D
Mathematics
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Graph the system of linear inequalities in two variables.
A. 
B. 
C. 
D. 
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Multiply or divide.
÷ 
A. 2
B. 
C. 18
D. 
Mathematics
Perform the indicated operation. Write the answer in scientific notation.(5.26 × 10-4)(5.35 × 10-2)
A. 2.81 × 108 B. 2.8 × 10-5 C. 2.81 × 10-5 D. 2.8 × 108
Mathematics
Solve the problem.Mary finds 8 fish at a pet store that she would like to buy, but she can afford only 5 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 336; 210 B. 56; 35 C. 6720; 840 D. 3360; 420
Mathematics