Answer:

Step-by-step explanation:
Given

Required
Find 
From the attachment:
The measure of
is calculated using the following expression:

Where
-- right-angled.
The expression becomes



Answer:
89,000 I think
Step-by-step explanation:
just subtract 125,000 by 36,000
although Its a guess

First, turn
into an improper fraction with a denominator of 4, which matches
.

Now, just add the numerators.

Answer:
Linear pair.
Step-by-step explanation:
The answer is D. Solve for the first variable in one of the equations, then substitute the result into the other equation.