A street in San Francisco rises 20 feet for every 100 feet horizontally. What is the measure of the angle of elevation, x, to the nearest degree?

What is the sum of the first 8 terms of the geometric series

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?