Someone, please help me

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°

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|