Factor completely.a3 - b3

A. (a - b)(a2 - ab + b2)
B. (a + b)(a2 - ab + b2)
C. (a - b)(a2 + ab + b2)
D. (a + b)(a2 + ab + b2)


Answer: C

Mathematics

You might also like to view...

Solve the problem.Martha can rake the leaves in her yard in 3 hours. Her brother can do the job in 6 hours. How long will it take them to do the job working together?

A.  hr
B. 2 hr
C.  hr
D.  hr

Mathematics

The Lariat editor wants a feature story on soccer, one on debate, and one on library hours. If he has 7 reporters to select from how many ways can he assign a different reporter to each story?

What will be an ideal response?

Mathematics

Find the unknown side of the triangle. Round to the nearest tenth.



A) 12.8 in
B) 73.0 in
C) 3.3 in
D) 8.5 in
E) 4.6 in

Mathematics

Find all values of the variable for which the rational expression is undefined.

A. 13 B. -6 C. 6 D. 0

Mathematics