What is 8 5/12 as an improper fraction

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

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

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap