What type of number is -v81? Choose all answers that apply:

A) Whole number

B) Integer

C) Rational

D) Irrational

is there any photos or whatever?

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.