The unit interval (0,1) is divided into 5 equal parts. then 5 points are chosen at random from the unit interval. what is the probability that rach selected point lies in a different part?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

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?