Show how to find the value of six dimes an eight pennies

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288