Molly’s hair was 20 inches long. three years later it was 35 inches long. what is the percent increase?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?