What is the third step to construct a congruent triangle such that fgh=jkl?
a)measure jk
b)draw an arc for point k.
c)measure gh.
d)draw an arc for point l.

The library sells 376 books at its annual used-book sale. the sale takes in a total of $2119. children's books cost $4, and adult books cost $7. let x = number of children's books sold, and let y = the number of adult books sold. which system of equations can the librarians use to model this situation?