Metal, metal, nonmetal, metal, nonmetal, nonmetal. For the covalent bonds, it's always between nonmetals. For the ionic, it's a metal and a nonmetal. Hope this helps!
I think its California let me know if this is correct
6x+4y=13
-(3x+4y=8.5)
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3x=4.5 =x=4.5/3=1.5
It will be 1.5
A) China 1.4 billion (India had 1.3 billion)