If a store advertises a package of 22 stickers for $4.57, what is the unit rate, or price per sticker?
Write an equation using a variable and solve.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?