20% of Aussies have blue eyes. If 4 Aussies in a play group have blue eyes, how many Aussies are in the group?

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

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −