Order these expressions from least to greatest value

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.