Respuesta :

CourtneyJo0410

Answer:

9 + c > -21

Step-by-step explanation:

Sum means addition and it is greater than -21 so we get: 9 + c  > -21
9+c>-21
sum means 9 and c are added, but since c is a variable and not a number, it is 9+c. Then, it say that 9+c is greater than (>) -21.