Posted by **sara** on Monday, March 12, 2007 at 8:29pm.

a=-2 b=5 c=-4 d=6

question is

b^2-2bc+c^2

see if i did the steps right please

(5^2)-(2*5*-4)+(-4^2)

(5^2)-(10*-4)+(-4^2)

(5^2)-(-40)+(-4^2)

5^2-(-40)-4^2

25-(-40)-4^2

25+40-4^2

25+40-16

65-16

49

No. Minus four squred is positive sixteen.

eighty percent of 280 is what number?

draw a diagram of the problem

- algebra check please -
**Bobby**, Saturday, October 6, 2007 at 4:43pm
23

- algebra check please -
**christina**, Tuesday, December 16, 2008 at 5:48pm
9x-6=30

- algebra check please -
**Angie**, Monday, February 9, 2009 at 6:29pm
2x-3y=14 2x+y=-10

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