This month's commodity index decreased by one-quarter of last month's index to 111. What was last month's index?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Chamberlin wants to bottle 1\8 of her apple cider. she pours the apple cider evenly among 6 bottles. what fraction of her apple cider will she put in each bottle? what expression could represent this situation?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r