Help please and thank you

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.