From a group of 8 people, 4 are randomly selected. What is the probability the 4 oldest people in the group were selected? Give your answer as a reduced fraction.

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

Could somebody me with this radical simplification?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily