Perform the Indicated Operation Involving Rational Numbers $\left( - \frac { 5 } { 6 } \right) \div \frac { 20 } { 42 }$

question 139

Multiple Choice

Perform the indicated operation involving rational numbers. $\left( - \frac { 5 } { 6 } \right) \div \frac { 20 } { 42 }$

• A) \(-\) 4
• B) \(- \frac { 7 } { 4 }\)
• C) \(- \frac { 4 } { 7 }\)
• D) \(-\) 7

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Definitions:

Spongy Bone

Also known as cancellous bone, this is a porous type of bone found at the ends of long bones and in the inner layers of other bones, providing structural support and flexibility.

Trabeculae

Mesh-like structures of supportive or connective tissue found in organs such as the heart, lymph nodes, and spongy bones, aiding in structural support.

Compact Bone

The dense, hard outer layer of bone that gives it strength and houses the osteons, necessary for support and protection.

Membrane

A selective barrier that allows the passage of certain substances while preventing others, commonly found in cells and organelles.