Reflect the triangle in the mirror line

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Does anyone know how to do geometryme with this problem

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell