Arectangular room is 4 4 times as long as it is wide, and its perimeter is 60 60 meters. find the dimension of the room.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Your weight on the moon is relative to your weight on earth. neil armstrong weighed 360 lbs. in his moon gear while on the earth, but on the moon he only weighed 60 lbs. how much would a 150 lb person weigh on the moon?

For each given situation, determine if the method of randomization is either appropriate or not appropriate