Which expressions are equivalent? 3x-7y and -7y+3x 3x-7y and 7y-3x 3x-7y and 3y-7x 3x-7y and -3y+7x

What are the related frequencies to the nearest hundredth of the columns of the two way table? group 1: a-102 b-34group 2: a-18 b-14edited: i don’t have all day to be waiting for an answer. i figured it out.

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

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