What is the area of the base of this rectangular prism?

What is the area of the shape below?

Courtney uses cubes to measure a box. The first layer of the box holds 18 cubes. The edge of each cube was 1 inch. Once the box was filled up it contained 7 layers. How many total cubes does the box contain?

A rectangular brochure measures 6 inches tall and 4.3 inches wide. What is the perimeter of the brochure?

Sam has a picture that is 16.2 inches tall and 5.3 inches wide. What is the perimeter of the picture?

The combined perimeter of the rectangle and the pentagon is 74 inches. The model shows the dimensions of the rectangle. What is the perimeter of the pentagon?

The length of one edge of a cube is 8 units. What is the volume of the cube?

The blue cubes have a volume of 1 cubic unit. How many blue cubes would it take to fill up the entire box with the dimensions shown below.

Dr. Bayer measured the masses of newborn twins. Baby A weighs 2.8 kilograms. Baby B weighs 2,950 grams. What is the difference between the masses of these newborn twins in grams?

Which TWO prisms have a volume of 48 cubic inches?

Ty is filling a cube shaped box with small cube shaped dice. The volume of each these dice is 1 cubic inch. If the stack shown represents the height of the box, how many total dice will fit in the cube shaped box?