Carl is boarding a plane. He has 2 checked bags of equal weight and a backpack that weighs 4 kg The total weight of Carl's baggage is 35 kgt. Write an equation to determine the weight, www, of each of Carl's checked bags. Find the weight of each of his checked bags.

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?