A: "345"

B: "75"

C: 12

D: "12"

A : 42

B : "42"

C : 7

D : NaN

A: []

B: [null, null, null]

C: [undefined, undefined, undefined]

D: [ 3 x empty ]

A: { name: "Lydia" }, "1997"

B: { name: "Sarah" }, "1998"

C: { name: "Lydia" }, "1998"

D: { name: "Sarah" }, "1997"

A: It worked! Hello world!

B: Oh no an error: undefined

C: SyntaxError: can only throw Error objects

D: Oh no an error: Hello world!

A: "Lamborghini"

B: "Maserati"

C: ReferenceError

D: TypeError

A: "undefined", "number"

B: "number", "number"

C: "object", "number"

D: "number", "undefined"

A: "Woof I am Mara", TypeError

B: "Woof I am Mara", "Woof I am Mara"

C: "Woof I am Mara", undefined

D: TypeError, TypeError

A: [1, 1, 2, 3, 4]

B: [1, 2, 3, 4]

C: {1, 1, 2, 3, 4}

D: {1, 2, 3, 4}

A: 10

B: 11

C: Error

D: NaN