I really need help for question 1 and 2, please help me quick!!!

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

This is about circle theorems. someone asap : (

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value