HELP ME PLS I DONT UNDERSTAND :( WILL MARK BRAINLIEST AND ROBUX

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?