What will appear in the console after this program runs?
let x = 5;
let y = "9";
let z = x + y;
console.log(z)
14
an error message because you can't concatenate a number and a string
59
5+9
let x = 5;
let y = "9";
let z = x + y;
console.log(z)
14
an error message because you can't concatenate a number and a string
59
5+9