Amy is building a rectangular patio in her backyard. She plans on making the patio 8 feet wide by 12 feet long. The rectangular bricks she is using are 6 inches long and 4 inches wide. How many bricks will Amy need to build her patio?

Rectangle has a length of 20 inches and a width of 3 inches. Rectangle has a length of 9 inches and a width of 10 inches. By what number must the area of rectangle be multiplied by to equal the area of rectangle ?

The perimeter of a rectangle is . One side is . What is the area of this rectangle?

If a rectangle's width is increased by 20%, and its length is decreased by 20%, which statement most accurately reflects the rectangle's change in area?

Quantity A: The area of a rectangle with a perimeter of 40

Quantity B: The area of a triangle with a perimeter of 40