How many terms are in the expression 2x + 3y - 4z2x+3y−4z2, x, plus, 3, y, minus, 4, z?

Multiplying an even number of negative numbers gives an answer that is choose from:

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?