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=B y I y is an integer and ≤−4 0.8 litres water is how many cups? If a+b+c=4, ab+ac+bc=6, and abc=3, what is 1/a + 1/b + 1/c? What can you tell me about the flower of life? Sacred geometry? Where does it come from? Could someone help me with these math problems? I can't figure them out. Solve the linear equation;
x+2y=15
y=-2x+0 9x-12y=-3
-12x+16y=4?