Answer:
zachary
Step-by-step explanation:
the shorter the time the faster
4/1.2 = 3.333333333 is the height of each. So 3 boxes would be, 3.333333333 x 3 = 10. The total height of the 3 boxes = 10.
Answer:

Step-by-step explanation:
just multiply
Answer:
X = 2
Step-by-step explanation:
If it there are two negative #'s you add them because they are on the same side of the number line.