Which expression(s) have a greatest common factor (GCF) of 3xy2 with 42xy4? Select all that apply.
A. 6x2y2
B. 15xy2z
C. 27x3y2
D. 9xy3

Which of the following is the rational exponent expression of 6 root f

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

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 −