The pictures represent the first three terms of a sequence. Assuming the pattern continues, how many shaded squares would there be in the 10th term?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.