Q4: For the following statements, select which of the statements are always true, sometimes true
and never true.

Statements
Sometimes true
Always true
Never true
The Pythagorean
theorem is true for acute
angles
The hypotenuse is the
longest side of a right
triangle
The legs of a right
triangle are the same
length
In a right triangle, if a and
b are intergers then cis
an integer, where a, b
and c are the lengths of
the sides of the triangle.

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 −