algebra check please
posted by sara
a=2 b=5 c=4 d=6
question is
b^22bc+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+404^2
25+4016
6516
49
No. Minus four squred is positive sixteen.
eighty percent of 280 is what number?
draw a diagram of the problem
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