Collect like terms.5x5 - 
x + 5x2 + 
x + 3x5
A. 13x12 - 
x
B. 8x5 + 5x2 + 
x
C. 13x2 + 
x
D. 8x5 + 5x2 - 
x
Answer: D
Mathematics
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Solve the problem.Evaluate the integral 
dy where x = sin t, y = cos t
A. - 
B. 
C. 
D. - 
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Graph the solution set on a number line.{x|-4 < x < 0}
A. 
B. 
C. 
D. 
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Perform the indicated operation.-6 + 7
A. 13 B. -13 C. 1 D. -1
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Determine if the matrix is in row-echelon form.
A. Yes B. No
Mathematics