What is the equation of the line passing through (0,0) and (1,4)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?