The science club hosts a bake sale every year to raise money for
the state robotics competition.
This year, the club earned $20
more than twice what it earned
last year.
Let x represent the amount
raised last year.
What is the algebraic expression? Explain how you came to this conclusion.

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 −