How do you give branly and what is 9x14

With alll of except for the 2 that i did already

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.