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Answer:
B
Step-by-step explanation:
Answer:
Answer c: 
Step-by-step explanation:
Hi there!
Let´s start writting the formula

If we multiplicate both sides by (x₂ - x₁):

Then if we add y₁ to both sides of the equation:

Then, the right answer is the answer c)
Have a nice day!
2x = 360/4
x = 90 / 2
x = 45
Hope this is the answer you are looking for!