Olivia ordered 5 books online. each book weighed 2 1/3 pounds. what is the total weight of olivia's books if all the books are shipped to olivia together?

Find the value of the cosine for angle a

The circumference of a circle is 5 pi cm. what is the area of the circle?

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults