Would this be the correct answer? If not, can you further explain the question?(11x+8y)(11x-8y)
Answer:
$0.13
Step-by-step explanation:
The increase is the <em>difference</em> between the 2009 price and the 2008 price.
$9.50 - $9.37 = $0.13
Answer:
10 units
Step-by-step explanation:

This is an octagon, which has 8 sides.
the angle of rotation is 360/8 = 45°
Answer:
2.1
Step-by-step explanation: