Given $a = 9 , b = 12 , \text { and } c = 7 ,$

question 2

Multiple Choice

Given $a = 9 , b = 12 , \text { and } c = 7 ,$ , use the Law of Cosines to solve the triangle for the value of B. Round answer to two decimal places.

• A)\(96.38 ^ { \circ }\)
• B) \(48.19 ^ { \circ }\)
• C) \(35.43 ^ { \circ }\)
• D) \(80.44 ^ { \circ }\)
• E) \(60.33 ^ { \circ }\)

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Definitions:

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions, often resulting in diffusion.

Gas Exchange

Gas exchange is the biological process through which organisms exchange oxygen and carbon dioxide with their surroundings, critical for respiration.

Diffusion

The passive movement of molecules or particles from an area of higher concentration to an area of lower concentration, a process fundamental to many biological systems.

Bulk Flow

The movement of fluid and its constituents in one direction, driven by pressure, gravity, or another external force, commonly observed in bodily functions and ecosystems.