In the number 409.21 what digit is in the ones place

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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