Where X Is a Variable and C Is a Constant

question 20

Multiple Choice

Where X is a variable and C is a constant, which of the following equations is true?

• A) S (X+C) = S X + C
• B) S (X+C) = S C + X
• C) S CX = X S C
• D) S CX = C S X

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Definitions:

Rh-Negative

A blood type classification indicating the absence of the Rh factor, a specific protein found on the surface of red blood cells.

Rh-Positive

Refers to the presence of the Rh factor on the surface of red blood cells, a protein that can play a significant role in blood transfusions and pregnancy.

Air Pollution

The contamination of the air by harmful substances including gases, particulates, and biological molecules, leading to adverse effects on health and the environment.

Industrial City

A city whose economy is primarily based on manufacturing and industrial sectors, often characterized by rapid growth and the influx of workers during the Industrial Revolution.