Answer:
3
Step-by-step explanation:
15 minus 9 equals 6. 6 divided by 2 equals 3.
Answer: graph №2.
Step-by-step explanation:

Its not the first two, I’m having trouble seeing those bottom two and what they are.
3rd one: y=ln x
Similarity implies correspondence. Angles are listed in the order in which they are congruent to one another. A is congruent to I, B is congruent to J, C is congruent to K, D is congruent to L.