Which equations are in standard form? Check all that apply •y = 2x + 5
•2x + 3y = -6
•4x + 3y = 12
•y=3/2x -9
•1/2x+ 3 = 6
•x-y=5
•5x+3y=1/2

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Ineed if you could explain and give me the answer you! this needs done

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square