A tax on which of these products or services would not be considered a sin tax

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 lcm of 16 and 40 ? 24 and 40 ?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)