Write the Word or Phrase That Best Completes Each Statement

question 88

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
-The perimeter of a rectangle is 40 inches and its area is 96 square inches. What are its dimensions?

• A)8 in. by 12 in.
• B)7 in. by 13 in.
• C)9 in. by 11 in.
• D)7 in. by 11 in.

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Definitions:

pH

A scale that measures how acidic or basic water-based solutions are, stretching from 0 to 14.

pH

A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 (most acidic) to 14 (most basic).

K

A symbol representing the element potassium, an essential dietary mineral and a highly reactive metal.

[HCO3-]

The chemical formula for bicarbonate, an anion that acts as a buffering agent in the blood to maintain acid-base balance.