Answer:
a=216
Step-by-step explanation:
Answer:

Step-by-step explanation:




Answer:
18 is b I think..........
Answer:
1. angle AXB
2. 52
Step-by-step explanation:
1.supplementary is 180⁰
2.90-38=52
Answer:
7,5 kg = 19,20.
Step-by-step explanation:
19,20/7,5
= 2,56 $
(2,56 * 7,5 =19,20)