Write down at least three different pairs of numbers that add together to get 1.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

How do you convert 1.27 to a percentage

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|