What is the common ratio of the geometric sequence below? -5, -10, -20, -40

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points