What integer represents a drop in temperature of 12°

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Which geometric principle is used to justify the construction below?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?