Reduce to the simplest form
8/3 + -9/4=

17 in long 1.3 ft wide and 8in high what is the volume

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

What percent of 18 is 24? and plz explain thx.