What number is half way between 4.1 and 1.5?

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

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

What is the least common multiple of 8, 12, 7