Add. Your answer should be an expanded polynomial in standard form.
(ď? + 6d +9) + (ď3 + 6d +9)

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

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Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square