Adding= sum what are those kind of words for subtract divide and multiply? i am not for sure what they are called.

Multiplying an even number of negative numbers gives an answer that is choose from:

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Which statements are true about additional information for proving that the triangles are congruent check all that apply