What do the signs for "in-law," "nephew" and "divorced" have in common?

they are all based on the root sign for "family"

they are some of the only signs that use two hands but no motion

they all involve only one hand

they all incorporate a letter shape into the sign somehow

Guilles is a school administrator. he is talking to board members about the need for five more teachers to be added to the faculty in the next two years. he showed the board a prospective budget and tried to convince them of the importance of his plan. which best lists the skills and knowledge he used to run his meeting? long-term planning skills, skills in math and finance, and a friendly attitude for giving presentations teaching skills, knowledge of educational laws, and a friendly attitude for giving presentations skills in math and finance, organizational skills for track information, and knowledge of information systems research skills for tracking information, long-term planning skills, and knowledge of human behavior