Bacl2 + h2so4>baso4+HCl
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Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?