Respuesta :

n+8
 For n=5.3
 5.3+8=13.3
 All that apply:

 1) First, write an expression.
 2) the correct expression is: n + 8
 3) second, substitute 5.3 for the variable, n. 
 4) third, simplify by adding 5.3 and 8
 5) the answer is 13.3