the world population in 2005 was 6.2 billion and growing at the rate of 1.14%. find the year when the world population would be expected to reach 10 billion if the growth continues at the same exponential rate?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.