Give two ways to write the expression as a phrase 6+p

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

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Having a hard time understanding this question (see attachment).