There are 16 boys and 19 girls in a class. The teacher calls the students' names randomly. What is the probability that the first
student called is a boy, the second student is also a boy and
the third student is a girl if the teacher calls the names with no
repetition? Enter your answer as a decimal rounded to the
nearest thousandth.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?