Find two numbers with a sum of 20 and a difference of 14.

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

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Are the corresponding angles congruent? explain why or why not.