Check the given subtraction. If the answer is incorrect, give the correct answer.
71
A. Incorrect; should be 81
B. Incorrect; should be 66
C. Correct
D. Incorrect; should be 72
Answer: C
Mathematics
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Write the expression in the standard form a + bi.
4
A. -4 B. -4i C. 4 D. 4i
Mathematics
Find the indefinite integral.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Factor the sum or difference of cubes. y3 - 64
A. (y - 4)(y2 - 16) B. (y + 4)(y2 - 4y - 16) C. (y - 4)(y2 + 4y + 16) D. (y - 4)(y2 + 4y - 16)
Mathematics
Solve the inequality. Graph the solution set and write the solution set in interval notation.
> 0
A. (-?, -5) ? (4, 5)
B. (-5, 4) ? (5, ?)
C. (-5, 4) ? (4, 5)
D. (-?, -5) ? (5, ?)
Mathematics