Composing function is applying one function to the result of another and an arithmetic operation is when you add, subtract, multiply, or divide two functions.
Answer:
whats the question
Step-by-step explanation:
From this picture you can calculate coordinates of triangles' vertices:

.
Since
you can conclude that points A, B, C are rotated by

about the point (-0.5,0) to form points J, G, H, respectively.
Answer: A is correct choice.
Answer:
compute its exterior angle as 360/18, which is 20 degrees
Step-by-step explanation: