Can someone please help me. I have tried doing it a few times and it gave me different answers everytime and I do not know which one is right. please explain how you get the answer.​

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

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Abcd is a square. what is the measure of angle bac