It takes a printer 9 hours to print the class schedule for all of the students in a college. a faster printer can do the job in 6 hours. how long will it take to do the if both printers are used?

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°

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Im so bad at fractions they are not my best math thing to work on