Arecipe calls for 3 teaspoons of salt for every 5 cups of flour. if you wanted to make a larger batch with 15 cups of flour, how much salt would you need? a. 5 teaspoons b. 10 teaspoons c. 9 teaspoons d. 6 teaspoons

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?