About 70% percent of earth is covered in water, making 30% percent of earth potentially habitable by humans. Earth can be modeled as a sphere with diameter 12,700 km. There are 7.1 billion people in the world. What is the population density of potentially habitable earth?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

10x − 5y + 14 = 0 whats the answer pls