Why did the mathematical tree fall over?

Here is an Algebra II joke for you today:

 Here's what we have coming up this week.

• Geometry - We will have a Quiz on Tuesday over Notebook PG 115-119.  We will also have a Quiz on Friday over Notebook PG 120-121. 
• Algebra II - We will have a Quiz on Friday over Notebook PG 115-118. 
• Calculus - We will have a Quiz on Tuesday over Notebook PG 101-106. 

I will be around for extra help this week:

• Before school Tuesday,Wednesday, Thursday and Friday (7:40ish-7:55)
• During lunch every day except Friday
• After school (2:45-4:00) Tuesday, Wednesday and Thursday

Have a great week!