Answer:
Step-by-step explanation:
The U.S has the greatest population density.
Ghana has the least.
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Answer:
81
Step-by-step explanation:
Answer:
(1, 1) (1, 2) (1, 3) (1,4)
(1,5) (2,1) (2,2) (2,3)
(2,4) (3,1) (3,2) (3,3)
(4,1) (4,2) (5,1)
Step-by-step explanation:
A and D
Put 3 in the equations and solve