WILL MARK BRAINLIEST!! Which of the following is true about the function below?

20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Small kingdoms on the iberian peninsula fought to take land back from the moors during which event? the hundred years’ war the wars of the roses the reconquista the great schism