Ewwww

because the universe hates us

@HighSchoolCalculus tell me how calculus, algebra, and lineat equations apply to our everyday life

Because it applies to every moment in our lives. 

One word. Physics. PHYSICS is a broad division of mathematics and science combined. You breath, that's math. You walk, that's math. Metaphysics... let's just say you don't want to get started with that.