There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 3 random, what is the probability that everyone in the group is a girl?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Can some one me with these questions

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?