Need help with 8, 9, and 10.

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Yo y do yall have 2 stars that means yall wrong bro

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