Answer:
288
Step-by-step explanation:
answer is in photo above
ANSWER

EXPLANATION
The diagram represents the net of a rectangular prism.
The dimensions are,


and

The total surface area of a rectangular prism is given by:

We substitute the values to obtain,


Answer:
9/5
Step-by-step explanation
18 divided by 10 equals 1.8 and 1.8 is 9/5 in fraction form.