I don’t think I can help you here. You need to give the text not just the questions, so that we can answer the questions thoroughly. Sorry.
Answer:
An adjective has to come before the noun it is describing; if that is not the case, then it is misplaced.
For example, the sentence: I walked down the street.
I can say, "I walked down the dark street."
But if the word dark was anywhere else, it would be a misplaced adjective.
Answer:
1/3 of the recipe will require 1 ¹/₆ cups of flour.
Explanation:
Given;
1 recipe requires = 3 1/2 cups = 7/2 cups
1/3 of the recipe = ?
The number of cups of flour required is calculated as;
If 1 recipe requires --------> 7/2 cups
then, 1/3 of the recipe -------> x

Therefore, 1/3 of the recipe will require 1 ¹/₆ cups of flour.
Answer:
.Fill in the blank with a suitable relative pronoun, choosing the best answer:
Why do so many American lose touch with old friends that they had when they were younger? One reason is mobility. The average American will probably move 11.7 times in his or her lifetime. Even though the number of people .................... move to a different state has gone down considerably since 1950, ....................... 3.5 % of households moved from state to state, there are still a lot of people ................. move across
Explanation:
first answer who
second answer where
third answer who