Life is complex. It has real and imaginary components. 

Top excuses for not doing homework:

bulletI accidentally divided by zero and my paper burst into flames.
bulletIsaac Newton's birthday.
bulletI could only get arbitrarily close to my textbook. I couldn't actually reach it.
bulletI have the proof, but there isn't room to write it in this margin.
bulletI have a solar powered calculator and it was cloudy.
bulletI locked the paper in my trunk but a four-dimensional dog got in and ate it.
bulletI couldn't figure out whether i am the square of negative one or i is the square root of negative one.

Conversions:

bullet453.6 graham crackers = 1 pound cake
bullet2000 mockingbirds = two kilomockingbirds
bulletTime between slipping on a peel and smacking the pavement = 1 bananosecond
bullet2000 pounds of Chinese soup = Won ton
bulletRatio of an igloo's circumference to its diameter = Eskimo Pi