Find the absolute value.- 
A. 22
B. -11
C. 0
D. 11
Answer: B
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
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Simplify.(-2a7b4)3
A. -8a21b12 B. 8a21b12 C. 8a10b7 D. -8a10b7
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Solve the system of equations by the addition method.
A. (- 
, 
)
B. (3, 5)
C. (-7, 8)
D. no solution
Mathematics
Estimate the difference by rounding the number to the nearest ten.
A. 4870 B. 4900 C. 4863 D. 4860
Mathematics