PASCAL'S TRIANGLE

BRITTANY:
Pascal's triangle is an arrangement of the bionamial coefficients in a triangle.
It is named after Blaise Pascal, although other mathematicians studied it way before him.

LIZZIE:
The rows of Pascal's triangle are conventionally enumerated starting with 0.
The numbers in each row are usually staggered relative to the numbers in adjacent rows.

ZAC:
The set of numbers that form Pascal's triangle were well known before Pascal.
Pascal was the first to organize all the information together.