Answer:
A and B
Step-by-step explanation:
The surface area is found by calculating the 6 faces of a 3-d object. Since A and B are the only ones that cause you to use the whole object for the given task the answers are A and B.
A) 2 2/3 pages per hour
You would multiply 1/4 times 4 to get 1 hour
then you would multiply 2/3 times 4 which is 2 2/3
55 feet
40+15 feet