Can transformations always be applied to shapes, even if they're not in a plane

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°

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Tim earns $120 plus $30 for each lawn he mows. write an iniqualityvto represent how many lawns he needs to mow to make more than $310