Use a two-dimensional representation of the prism, if necessary, to find the area of the entire surface of the prism. . please help its due soon

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?

How do i i solve this equation? -18 = x/3 + 3

Which of the symbols correctly relates the two numbers ?