Need math help asap:)

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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

Acircle has a circumference of 28.36 units what is the diameter of the circle