Simplify. express the answer using positive -5w^4y^-2\-15w^-6y^2

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!

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Solve the formula ax+ by = c for x.