You need to graph it so I guess
The area is perimeter times height plus area of the bases
Answer: 12 red balls must be added
Step-by-step explanation:
Starting out with 15 balls, 6 red implies 9 blue. If blue remains 9, then we expect red to be 18 for a probability at 2/3. 18-6 = 12
Answer:
It is 54033/9900
Step-by-step explanation:
