In which direction does the parabola open? y= -6x^2 + 10x + 20 hurry i will mark brainliest

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?

Which statement about the graph of y = 8(0.25)^2

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3