Triangle qrs is dilated according to the rule do,2 (x, y).

what is true about the image △q'r's'? check all that apply.

do,2 (x, y) = (2x, 2y)
side q's' lies on a line with a slope of -1.
qr is longer than q'r'.
the vertices of the image are closer to the origin than those of the pre-image.
the distance from q' to the origin is twice the distance from q to the origin.

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 −