Sally Sells 40 Bags of Lettuce for a Total of $80

question 139

Multiple Choice

Sally sells 40 bags of lettuce for a total of $80 at the farmers' market.

• A)The $80 is a real variable.The quantity of lettuce is a nominal variable.
• B)The $80 is a nominal variable.The quantity of lettuce is a real variable.
• C)Both the $80 and the quantity of lettuce are nominal variables.
• D)Both the $80 and the quantity of lettuce are real variables.

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Definitions:

Trabeculae

Trabeculae are the small, beam-like structures of spongy bone that provide structural support and help reduce the weight of bones.

Central Canal

A fluid-filled channel in the center of the spinal cord.

Lamella

Thin layers or plates, such as those found in bone, making up the concentric rings in the structure of compact bone.

Canaliculus

Small, channel-like structures in bone and dental tissue, facilitating nutrients and waste exchange between blood vessels and osteocytes.