What is the unit rate for 276.48 feet in 21.6 seconds? enter your answer, as a decimal, in the box. first answer gets brainliest if correct

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?

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits