Answer:
or 
Given expression:
Simplify it in steps below:
<u>Used properties:</u>



The first question = 3p
The second question =
4x-3y+10z
For the question above we can use the law of sine that states;
a/sinA = b/sinB = c/sinC
Where a is the opposite side of angle A
b is the opposite side of angle B
c is the opposite side of angle C
x/sin63 = 65/sin40
x = 65(sin63)/sin40
= 57.9154/0.6429
= 90.10
The answer is <span>A) 90.1 by The Law of Sines (SAS)</span>
The answer to this is 4/3