Simplify the polynomial by combining like terms.13y3 + 19 - 10m2n2 - 9 - 14n2m2
A. 13y3 - 24m2n2 + 10
B. cannot be simplified
C. 13y3 - 24m2n2 + 28
D. 13y3 + 140m2n2 + 10
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Write the formula using the "language" of variation. I = PRT, where I is the simple interest on a principal of P dollars invested for T years at an interest rate of R per year
What will be an ideal response?
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Evaluate the expression for the given replacement values.6y(2z - x) for x = 9, y = 4, z = 6
A. 144 B. 279 C. 18 D. 72
Mathematics
Find the weighted mean of the numbers in the table. Round to the nearest tenth.A telephone company kept track of the calls for the correct time during a 
period for two weeks. The results are shown in the table.
A. 61.6 calls B. 59.6 calls C. 62.0 calls D. 61.8 calls
Mathematics