Answer:
z = 72
Step-by-step explanation:
-1/4z + 12 = -6
× 4
-z + 48 = - 24
-z = - 72
I.I
R.R
R.R would be R.RRRR......
and I.I would be I.IIII...
10. 7
11. 4
12. 8
13. 7
14. 2
15. 3
16. 11
17. 9
18. 8
Answer:a
angle b+54 = 90 degrees
90 - 54 = b
36° = angle b
