Classify the number as rational or irrational.- 
A. Rational
B. Irrational
Answer: A
Mathematics
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Find the sum of the series.x7 + x8+ x9 + x10 + ...
A. 
B. 
C. 
D. 
Mathematics
Use quadratic regression to model the following data. Round your answers to two decimal places, if necessary. ? x 0 10 12 23 31 y 4 12 18 11 3?
A. ?
B. ?
C. ?
D. 
Mathematics
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.4(2x - 3)
A. 8x - 3 B. 20x C. 8x - 12 D. 6x - 7
Mathematics
Identify the row operation that produces the resulting matrix.
? 
A. (-1)R2 ? R2 B. R1 + (-1)R2 ? R2 C. (-1)R1 + R2 ? R2 D. R1 + (-1)R2 ? R1
Mathematics