Help asap Albert and Molly design posters. In December, they each worked for 25
days and made 20 posters. Molly was on vacation in the beginning of January, so Albert worked for 10 days before Molly could join him.
Together, they worked another 15 days and made a total of 15 posters.
How many posters can Molly make if she works alone for 10 days?

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 −