Answer the question.Maurice's piggy bank contains 19 quarters and 8 dimes. What fraction of the coins are dimes?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.
Solve for the variable: 
= 
A. 12 B. 15 C. 60 D. 20
Mathematics
Provide an appropriate response.Tell whether or not the number is given in scientific notation.1.543 x 10-9
A. No B. Yes
Mathematics
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.(8x2 - 5) - (-x3 + 3x2 + 9)
A. x3 + 5x2 - 14 B. 9x3 + 3x2 - 14 C. x3 + 11x2 + 4 D. 9x3 - 2x2 - 9
Mathematics
Solve the problem.A pendulum bob swings through an arc 60 inches long on its first swing. Each swing thereafter, it swings only 65% as far as on the previous swing. What is the length of the arc after 9 swings? Round to two decimal places.
A. 312.00 in. B. 1.91 in. C. 1.24 in. D. 0.81 in.
Mathematics