What is the simplified expression for the expression below?

4(x + 8) + 5(x – 3)

Ihonestly don’t understand this at all

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

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?