For each party will operation write the letter that corresponds to the resulting expression from the list (5x^2+2x+1)+(6x^2-3x+9) is equivalent to expression blank. (-3x^2+6-12)+(5x+9) is equivalent to the expression blank. (8x+16)-(3x^2-3x-15) is Equivalent toexpression blank. ((5x^2+23x-7)-(x^2-4x+21) is equivalent to the expression blank. 

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?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.