Simplify by combining like terms.7y + 2xy + 3x + 2y + 9x
A. - 12x + 9y - 2xy
B. 12x + 9y + 2xy
C. 12x - 9y + 2xy
D. 12x + 5y + 2xy
Answer: B
Mathematics
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Convert the mixed number to an improper fraction.3
A. 
B. 
C. 
D. 
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Solve.A certain manufacturing process takes place at 510°F. What Celsius temperature is this? (Round to the nearest degree.)
Fill in the blank(s) with the appropriate word(s).
Mathematics
List the like terms of the expression.-9y + 3 - 3 + 5x + y - 5
A. -9y and y are like terms 3, - 3, and - 5 are like terms B. -9y and y are like terms C. -9y, 5x, and y are like terms 3, - 3, and - 5 are like terms D. -9y and y are like terms 3, - 3, 5x, and - 5 are like terms
Mathematics
Find the function value.Find f(-x) when f(x) = -3x - 2.
A. 3x + 2 B. -x - 2 C. 3x - 2 D. -3x + 2
Mathematics