7/2x+1/2=10 1/2+9/2x what is the value of x

How can you tell when x and y are not directly proportional?

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

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