Answer:
Step-by-step explanation:
Both teachers and children are people. If there were 4 teachers and 9 children already at the table, sitting down, when Jim arrived, then that would be 13 people at the table before he sit and 14 people after he sits.
Step-by-step explanation:
I have attached the graph of the question. So this is the graph of the question and i also attached the solved question screen shot.
I hope you get the idea. Thanks
SinФ=-12/13
cosФ=Base/hypotenus
(hy)^2-(perpendicular)^2=(base)^2=13^2-12^2=5
cosФ=-5/13
Answer: 123
Step-by-step explanation: