A diver swam to a depth represented as -12 feet. Then the diver swam to a depth represented as -20 feet. How many feet are between the first depth and the second depth?
A-32 feet
B. -8 feet
O. 8 feet
D. 32 feet

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

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