If EF is 17 and DF = 2 times FE plus 6, How long is DE ?

Which are results of technological advances? increased people's exposure to new ideas created a global culture valued by people around the world brought harmony to diverse groups of people reduced the number of people living in rural areas

Why are all maps distorted? when reading a map, why is it important to check the legend? what is the difference between longitude and latitude? identify the meridian at 0° longitude and the parallel at 0° latitude.

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky