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What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds