Evaluate the lim x+4/ x 2x+1

Can someone me i’m confused. will give brainliest and a whole bunch of points

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

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup