Those are not equivalent.
Answer:
-30 ?
Not really sure what you mean by that but, -19-11= -30 is all I know.
Yep it is, it has an input and an output or whatever
Answer:
Another way to name a plane
A plane can be named by a capital letter, often written in script, or by the letters naming three non-collinear points in the plane.Step-by-step explanation: