Two points on the line y=2x-3 are (1.5,0) & (0,-3)
90 - 29 = 61 therefore b=61 because the red square shows that that angle is 90 degrees then minusing 29 degrees from that would give you 61 degrees
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Vancouver is about as far west as you can go in Canada. It would never serve as a link to the Great Lakes nor would it be an Atlantic Ocean Port. Try Halifax for that.
Saskatoon and Regina could probably use Vancouver as a link; probably wheat and grains would be shipped to the Orient through Vancouver. But Regina and Saskatoon are in the mid west.
The best answer is A Pacific Ocean Port. It is almost right on the Pacific.
