What is the answer? And why does want me have at least 20 characters for my question?

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2

Which angle is the smallest? also give me an explanation so i can complete it to other questions as well, : )

Ineed with 8,9 and 10 love ya guysss