Find the Product $$( a - 7 ) ( a + 7 )$$

question 420

Multiple Choice

Find the product.
- $$( a - 7 ) ( a + 7 )$$

• A) \(a ^ { 2 } - 14 a - 49\)
• B) \(a ^ { 2 } + 14 a - 49\)
• C) \(a ^ { 2 } - 14\)
• D) \(a ^ { 2 } - 49\)

Differentiate between gases, liquids, and vapors under the classification of fluids.

Identify the components and their roles within hydraulic systems.

Understand hydraulic principles and how they apply to mechanical force transmission.

Calculate work and force in hydraulic circuits.

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