As of 1995, the human population was expected to double within 50 years. If we calculated r for the human population, we would get 1.39. True or False?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?