Answer the Question
-If a Rectangle Is X Feet Long $\sqrt { x + y }$

question 218

Multiple Choice

Answer the question
-If a rectangle is x feet long and y feet wide, which one of the following expressions is the length of its diagonal in terms of x and y?

• A) \(\sqrt { x + y }\)
• B) \(x ^ { 2 } + y ^ { 2 }\)
• C) \(\sqrt { x ^ { 2 } + y ^ { 2 } }\)
• D) \(x + y\)

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Definitions:

Acetylcholine

A neurotransmitter and chemical that motor neurons of the nervous system release in order to activate muscles.

Secretion

The process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion.

Terminal Cisternae

Enlarged areas of the sarcoplasmic reticulum around the myofibrils of muscle cells, involved in calcium ion storage.

T-tubules

Tubular extensions of the plasma membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the transmission of electrical impulses.