What is the value of z so that -9 and 9 are both solutions of x2 + x = 103?

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

You can find the constant of proportionality by finding the ratio of

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