Please help 8th grade

Solve |2x - 5| = 4 if anyone could , that would be great

Can (2,3 and square root 10) be sides ona right triangle?

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