Answer:
1: she used the wrong formula
2: 36cubic feet
3: the strategy: knowing that to find the volume of a rectagle is l*w*h and subtituting in the correct numbers
Explanation:
1: to find the volume of a rectangle is height*width*length
2: you multiply 6*5*1.2 and you should get 36 and sice you are finding volume it is cubic and the measurment