Answer the question on terms in a and b

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

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 is the value of x in the following equation? -3x-2=2x+8