Amanufacturer has 400 pounds of clay to make dishes. each dish made uses 10 ounces of clay. what is the greatest possible number of dishes that can be made with the clay ? (1 pound = 16 ounces)

a= 250
b= 640
c= 4,000
d= 64,000

show your work !

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?