If 50% of a number is 60, what is that number? choose the correct answer below. a. 120 b. 300 c. 12 d. 30

This is about circle theorems. someone asap : (

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

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?