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A carpenter is refinishing two cupboards. She must add the areas of the cupboards to determine the amount of plywood she needs. The area of

A carpenter is refinishing two cupboards. She must add the areas of the cupboards to determine the amount of plywood she needs. The area of the first cupboard is modeled by3a2 5y+ 15, and the area of the second cupboard is modeled by4a2+ 5y+ 5. Identify the polynomial that represents the total area of the cupboards.

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