The moon takes 29 1/2 days to pass through its phases. explain why lunar calendar would be inaccurate.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.