Help was i correct please help for brainlist

At which value in the domain does f(x) =0?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

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