Answer:
kilometer
Step-by-step explanation:
The best unit for measuring the distance between two cities is kilometer.
bracelets : necklaces
9 : 11
No.
If you insert 1 as x, you get . This is not true.
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{(5,3) , (6,1), (7,-1), (8,-3)}
inverse of (x,y) is (y,x)
inverse of { (3,5), (1, 6), ( -1, 7), (-3, 8)} is