Remove Parentheses and Simplify

question 63

Multiple Choice

Remove parentheses and simplify.
--10(3r + 4) + 2(10r + 8)

• A)-70r
• B)-10r - 24
• C)-7r - 6
• D)-10r + 4

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Definitions:

Benthic Zone

The ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and sub-surface layers.

Lake

Body of fresh water, often classified by nutrient status, such as oligotrophic (nutrient-poor) or eutrophic (nutrient-rich).

Stream

A small, natural body of flowing fresh water, leading from one to another or into a larger body of water.

Worldwide Distribution

The global spread or availability of a product, service, or phenomenon across the world.