two cities have nearly the same north-south line of 102° W. The latitude of the first city is 22° N, and the latitude of the second city is 36° N. Approximate the distance between the cities if the average radius of Earth is 6400 km the cities are approximately _ kilometers apart

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1