Mathematical Models

noun the abstract science of number, quantity, and space, either as abstract concepts (pure mathematics) or as applied to other disciplines such as physics and engineering

• The study of mathematics is essential for understanding complex scientific theories.
• I struggle with mathematics, but I'm trying to improve.
• Mathematics is not my cup of tea, but I have to pass this class.
• In the grand scheme of life, mathematics is like solving puzzles to unlock new opportunities.

noun a voting system used to elect a single winner from a field of more than two candidates

• Instant-runoff voting is a preferential voting system used to elect one candidate from a pool of multiple candidates.
• Have you heard about instant-runoff voting? It's a way to rank your choices in an election.
• IRV is a cool voting system where you can pick your favorite candidate without worrying about wasting your vote.
• Using instant-runoff voting is like having multiple chances to vote for your preferred candidate until one emerges as the winner.