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Remove Parentheses and Simplify

question 63

Multiple Choice

Remove parentheses and simplify.
--4.9(9r + 9) + 3.9(5r + 7)


Definitions:

Breast Cancer

A malignant growth that originates in the cells of the breast, often detected through lumps, changes in shape or texture, and can be treated with surgery, radiation, or chemotherapy.

Mucous Membrane

A layer of epithelial tissue that lines various cavities in the body and secretes mucous, providing protection and lubrication.

Skin Cancer

The abnormal growth of skin cells, often arising from the outermost layer of skin due to overexposure to ultraviolet (UV) radiation.

Stomach Lining

The mucous membrane layer of the stomach that contains glands producing enzymes and acid for digestion.

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