9/10 divided by 2 2/5

Can you simplify 4/7? 24 points will be awarded!

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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