The playground at an elementary school is rectangular. It is 120 yards long and 40 yards wide. What is its area?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Which graph has a rate of change of zero

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?