10.Mr. Vickers earns a 7.5% commission on his total sales. Last month, he had sales of $54,620. How much commission did Mr. Vickers earn last month?

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Explain why the factor 1.5 is broke. into two numbers in the model.