Atall tree has blown over. the part that still stands up is 20 percent of the entire length of the tree. how tall was the tree? round to meter

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

What properties allow transformation to be used as a problem solving tool

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