Find an expression which represents the sum of (-6x + 9y) + (-10 X - 6y)​

Barbara is tilling her craft room floor with square tiles. she wants 6/10 of the square tiles to be red. if she using 18 tiles. how many square tiles will be used to cover the floor? draw an area model to solve

Brianna is getting materials for a chemistry experiment. her teacher gives her a container that has 0.15 liters of a liquid in it. brianna needs to use 0.4 of this liquid for the experiment. how much liquid will brianna use?

These steps outlined were used to construct the bisector of ∠bac. which statement is not always true? ab = ac△bdc ≅ △bacbd = cd△bad ≅ △cad