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como grafico esto: V=[-1,1]x[-1,1]x[-1,1]
Tina was three times younger than Helen in 2006. In 2012 Helen will be 42. How old will Tina be in 2012?
12x-9y=36
y=a(x-h)2+k
67.45+ 79.76+ 52.40+ 114.95+ 169.80+ 110.85 +79.76 +55.56 +49.95
0,1
x+3y=6
1,0