Answer:
a) x(x-2)
b) 6x(2x+2)
dont know c and d sorry
Step-by-step explanation:
She underestimated by 60 cents. To get this answer all you need to do is multiply 1 dollar times 12 which is $12 and then multiply $.30 by 12 and that gives you $3.60. Then you add the $12 to the $3.60 and that gives you $15.60 which is 60 cents over the estimation.
Peers if not of similar circumstances may be biased or not understand the situation as well.
Answer:
x = 6
Step-by-step explanation:
7x = 42
Divide both sides by 7
x = 6
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
