11th grade Algebra II
posted by Anonymous .
Chad had a garden that was in the shape of a rectangle. Its length was twice its width. He decided to make a new garden that was 2 feet longer and 2 feet wider than his first garden. If x represents the original width of the garden, which expression represents the difference between the area of his new garden and the area of the original garden?

original garden is (x)(2x) = 2x^2
new garden = (x+2)(2x+2) =
so difference = (x+2)(2x+2)  x(2x) 
wow!!! that was so fast. Thank you so much!
So the answer is 6x+4, right? 
yes
(just happened to be on the computer) 
Thank you!!! :)

teresa and julia are among 10 students who have applied for a trip to washington DC. Two students from the group will be selected at random for the trip. What is the probability that teresa and julia will be the 2 students selected?

20%

2x5y+z=23
4x+3y5z=1
3x3y4z=9
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