Answer:
20 degrees
Explanation:
since JIH is equal to 25x+5 degrees, then JIZ and ZIH together equal that. but, since it's a straight line, JIH equals 180, so you can set 25x+5 equal to 180. therefore, x equals 7. then you can plug in 7 for x for JIZ and you get 2(7)+6 or 20.