These marbles are placed in a bag and two of them are randomly drawn. (2 yellow, 3 pink, and 5 blue). What is the probability of drawing two yellow marbles if the first one is placed back in the bag before the second draw?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

How do you find the area of a triangle

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?