Answer:
A. 
B. 2.5 meters.
Step-by-step explanation:
We have been given that the volume of a box V is given by the formula
, where l is length, w Is width, and h is height.
(A). Let us solve for h using opposite operations.

Switch sides:

Upon dividing both sides by
, we will get:


Therefore, the value of h would
.
(B). To find height of the box, we will substitute
,
, and
.
Therefore, the height of box is 2.5 meters.