Step-by-step explanation:
75+54
129°
the answer is 129°
I believe it would be b= -264
(I’m not 100% sure though so you might wanna check)
1.750
3.516540
4.354.2
5.3560
6.4.73
7.1277.2
8.4544
9.813000
10.0.02532
11.3160000
12.0.00335
13.26310
14. 918.7
15. 9320
16.8.42
17.45160000
18.0.005435
19.2450
20.656.9
Hope this helps!