Answer:
Step-by-step explanation:9
Answer:

Step-by-step explanation:
Given
The question is illustrated with the attached image
Required
Find 
To do this, we use sine formula
i.e.

So, we have:


Take arc sin


Answer:
Cost price=100%
Step-by-step explanation:
Answer:
13ab
Step-by-step explanation:
When you add the 5 and 9 it will give you 14 but you still have to subtract the 1ab(there is a 1 in front of variables that don't have a visible number.) So it will be 13 a b.
Answer: A
Step-by-step explanation: