Solve the proportion.
= 
A. {1}
B. ?
C. {280}
D. {35}
Answer: D
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Decide whether the statement is true or false.There is a unique common denominator for a given pair of fractions.
A. True B. False
Perform the indicated operation.
+ 
A. 
B. m + 2
C. m - 6
D. m - 2
A stockbroker has $184,000 to invest in stocks and bonds. She wants to invest at least $82,000 in stocks and at least $36,000 in bonds. If stocks have an annual yield of 9% and bonds have an annual yield of 5%, how much should she invest in each to maximize her return? Find the maximum return. ? Please enter your answer as three numbers in the following order: amount invested in stocks, amount invested in bonds, maximum return. Separate the three numbers with commas.
What will be an ideal response?
Solve. Write results using scientific notation.Assume that the volume of the earth is 4.2 x 1014 cubic meters and the volume of a bacterium is 3.4 x 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 1.24 x 1030 bacteria B. 1.24 x 10-30 bacteria C. 1.24 x 1031 bacteria D. 1.24 x 10-31 bacteria