The sales tax rate is 10%. If Colin buys a table priced at $70, how much tax will be payed?

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?

Which equation represents the partial sum of the geometric series?

Which of the following points is collinear with (-2,1) and (0,3)