Circle a is inscribed in a quadrilateral. what is the perimeter of the quadrilateral?

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

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