BEDMAS

http://http://www.youtube.com/watch?v=oyGG4caBG4k

Brackets- ( )
Exponents- a2
Division- (in order from left to right)
Multiplication-(in order from left to right)
Addition-1+2=3
Subtraction-1-1=0


link to help you with BEDMAS and to show you how it works.

Corrections for 21 C

Question:a wheel turning

Answer:Rotation

A circle has no vertices and all the sides are even.

http://www.mangahigh.com/en_us/games/transtar