Can someone pls help me with questions 7,8,9, and 10, I will mark the brilliantist​

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

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

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?