When making a book cover, anwar adds an additional 20 sqaure inches to the surface area to allow for overlap. how many square inches of paper will anwar use to make a book cover for a book 11 inches long, 8 inches high, and 1 inch wide? (use surface area)

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.