Answer:
the first 3 options
Explanation:
given 2 sides of a triangle then the third side x is in the range
difference of 2 sides < x < sum of 2 sides , that is
13
 - 5
 - 5
 < x < 13
 < x < 13
 + 5
 + 5

8
 < x < 20
 < x < 20
 ( converting to decimal )
 ( converting to decimal )
11.3 < x < 28.3
3 possible lengths for XZ are then values
11.5 cm , 13 cm , 18.5 cm
the other options are out with the range