What is twice as many as 1?

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?

Given the graphed function below which of the following orders pairs are found on the inverse function

Find the zeros of each function. f(x) = 6x^2 - 7x - 20