Simplify (5^3)^6 leaving your answer in index form

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Is the figure congruent? yes or no?