Answer:
the answer is a
Step-by-step explanation:
the answer is a the answer is a the answer is a
Answer:
c
Step-by-step explanation:
Answer:
-12
Step-by-step explanation:
We start with the equation: 
Substitute the variables: 
Solve using order of operations (start with multiplication): 
And then addition/subtration: 
Answer:
36.81233927
13.02532494
Step-by-step explanation:
You need to use the law of sine for both of them
the law of sine is as follows:

Question 1:

Question 2:
Let x= AB
Start by solving for the missing angle, 53

x= 13.02532494
I will leave you to round the answers
The answer is 90
20%of 99=18