Solve for the percentage in the problem. Round to the nearest tenth of a percent.  % of 7 gross is 0.03 gross.

A. 4.3
B. 0.4
C. 42.9
D. 233.3

Answer: B

Mathematics

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Translate the problem to a system of equations, then solve using matrices.John has a jarful of quarters and nickels. There are 102 coins in the jar. The value of the coins is $15.90. How many of each type of coin?

A. 97 quarters and 5 nickels B. 59 quarters and 43 nickels C. 48 quarters and 54 nickels D. 54 quarters and 48 nickels

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Find an antiderivative of the given function.x8 - 

A.  - 
B.  - 
C. 8x7 + 
D.  + 

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Factor the expression completely.21t4 - 91t3 - 70t2

A. 7t2(3t + 2)(t - 5) B. (21t3 + 14t)(t - 5) C. 7t2(3t - 2)(t + 5) D. t2(3t + 2)(7t - 35)

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Solve the inequality. Write the solution set in interval notation. ? 11

A.
B. (-?, -3] ? 
C.
D. (-?, 3] ? 

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