The base of cornelius the snake's tank has a area of 37.5 sq. inches. the height is 12.5 inches. what is the volume?

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?