Ameri is standing 50 feet from the base of a building from where he stands the angle formed between the top of the building in the ground at his feet is 60 how tall is the building

This is different from the first one can someone me

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

Can someone check if i did this correct. it’s number 4 if you’re wondering.