1.nadia selects three marbles from the jar to the right without without replacing them. what is the probability that all three marbles are blue? there are 4 red marbles, 7 blue marbles, and 5 green marbles a total of 16 marbles on a jar hurry need answer asap

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon