Answer:
Following are the solution to this question:
Step-by-step explanation:
Using formula:

In question (1):

In point a:

In point b:


In question (2):

In point a:

In point b:


The 3 question is incomplete, that's why it can't be solved.
Answer:
it is B. -11 and 47
Step-by-step explanation:
you have to take away 47 and 11 and it equals 36.
Like what kinds? Finding out the type of angle? The degree?
Answer:
v-12
Step-by-step explanation:
1Nonly_n8thanfull