A certain television is advertised as a 20-inch TV (the diagonal length). If the width of
the TV is 16 inches, how many inches tall is the TV?

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

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

Which graph represents the linear function below? y-3=1/2(x+2)