A) Draw the next two figures in the tile pattern.
b) Write a pattern rule using an algebraic expression for the
number of tiles in any figure.
c) Identify the constant term and the numerical coefficient in
your expression.
d) What do the constant term and the numerical coefficient
tell you about how the pattern grows?

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 −