Help pls :,)
Perimeter of a sector

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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