Christina chose CDS to bring on her vacation. She brought seven country CDS and 3 rock CDS
with her. She will pick one CD at random, play it,
and put it back. What is the probability that the
first CD she picks is a country CD, and then a
rock CD?

in geometry, parallel lines are lines in a plane which do not meet; that is, two lines in a plane that do not intersect or touch each other at any point are said to be parallel. by extension, a line and a plane, or two planes, in three-dimensional euclidean space that do not share a point are said to be parallel.

b. ol

step-by-step explanation:

i got the answer right on edg.

congruent: (geometry) (of figures) identical in form; coinciding exactly when superimposed.