Liam has 4 books. the number of pages in the first book is 420, and the second book has 70 pages more than the third book. the third and fourth book have 150 pages each. what is the average number of pages for the four books?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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 $

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?