The answer is 5 3/4.............
Answer:
71°
Step-by-step explanation:
In order to be able to solve this problem, we must assume the relation between lines "a" and "b" is that they are parallel.
If a║b, then ∠1 and ∠2 are corresponding, hence congruent.
m∠1 = m∠2 = 71°
They are equal. They're equal because if you simplify 500/600, it becomes 5/6.

Point-slope form is
, where
is the slope and
is a point on the line.
Substitute in the values. 
Simplify the negative subtraction to addition. 
It should be 3,000
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