Describe the effect on the area of a circle when the radius is doubled (geometry)

What is the radical expression that is equivalent to the expression 27 1 over 5?

The anwser cause i do not understand just plez

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