You know how in first grade they used fruits to explain stuff like “one banana plus two bananas make three bananas”? Here’s a list of high school math courses based on bananas:

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Algebra I – A
You have a negative banana (possibly made of antimatter).  Add two bananas to it and you get one banana.

Algebra I – B
You have a banana. Factor it, or solve for apples using the quadratic formula.

Geometry
Prove: Bananas are not vegetables. Given: Bananas are fruits.

Algebra II
You have an imaginary banana. Square it, and you get one of those weird anti-matter bananas. The student learns that their dreams will become reality if they only raise them to the fourth power.

Pre-Calculus
What is the cosecant of Pi over 2 bananas in a unit apple?

Calculus AB
The student learns to find the slope of a banana.

Calculus BC
The student learns to find the slope of a banana and also to find the area under the banana.