Can I get the answer for 3 4 5 6

Match each expression with its simplified 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

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles