carlos was playing Race to ten -thousand on the computer .he stooped to go eat dinner .What number did Carlos make before diner?

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

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.