HELP ME PLZ!! It's only 4 questions

1. A rectangular prism has a length of 1 1/4 cm, a width of 4 cm, and a height of 3 1/4 cm.

What is the volume of the prism?

2. A rectangular prism has a length of 3 1/2 in., a width of 3 1/2 in., and a height of 7 in. Danny has a storage container for the prism that has a volume of 90 in³.

What is the difference in volume between the prism and the storage container?

3. A book is in the shape of a right rectangular prism.

It measures 8 1/2 in. tall, 7 in. wide, and 2 1/2 in. thick.

What is the Volume of the book?

4. A rectangular prism has a length of 1 1/4 yd, a width of 2 1/2 yd, and a height of 4 yd.

Enter the volume of the prism as a mixed number in simplest form in the box.