A Border of Uniform Width Is Built Around a Rectangular

question 47

Multiple Choice

A border of uniform width is built around a rectangular garden that measures 19 ft by 36 ft. (see Illustration) . The area of the border is 804 ft ². Find the width of the border, y.

• A) 7 ft
• B) 4 ft
• C) 6 ft
• D) 5 ft
• E) 37 ft

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Definitions:

Secondary Antibody

An antibody that binds to a primary antibody as part of a detection or purification method in biochemistry or microscopy.

Primary Antibody

An antibody used in research and diagnostic applications specifically designed to bind to a particular antigen of interest.

Substrate

A surface or material on or from which an organism lives, grows, or obtains its nourishment.

Human Chorionic Gonadotropin

A hormone produced during pregnancy that supports the normal development of an egg in a woman's ovary, and stimulates the release of the egg during ovulation.