Find the mean and median of these data: 3, 4, 10, 12, 18, 20.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which of the functions below could have created this graph?

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.