Question

Will give out medals. Which expression represents an unknown number added to 13?

Answer 1

A.
13 + t

B.
13t

C.
13 – t

D.
13 ÷ t

Answer 2

a

Answer 3

In mathematics, we use variables to represent unknown values.

So of that unknown number is t, your answer would be A

13 + t

Answer 4

if*

Answer 5

a