A new crew of painters takes two times as long to paint a small apartment as an experienced crew. Together, both crews can paint the apartment in 4 hours. How many hours does it take the new crew to paint the apartment?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.