Factor the sum or difference of two cubes.x3 - 125
A. (x + 5)(x2 - 5x + 25)
B. (x + 125)(x2 - 1)
C. (x - 5)(x2 + 5x + 25)
D. (x - 5)(x2 + 25)
Answer: C
Mathematics
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- 
A. 
B. 
C. 
D. - 
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Solve the problem.The polynomial 1 + 7x + 21x2 is used to approximate 
on the interval 
. Use the Remainder Estimation Theorem to estimate the maximum absolute error.
A. ? 2.061 x 10-5 B. ? 3.642 x 10-5 C. ? 3.642 x 10-4
Mathematics
Solve the problem.A number decreased from 50 to 45. Find the percent of decrease.
A. 11%
B.
| 5% |
C. 11.1%
D. 10%
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
Mathematics