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Step-by-step explanation:

T and 130 are equal. Both are exterior angles.

T = 130

V  and 115 are supplementary. A straight line has 180 degrees.

V + 115 = 180

V = 180 - 115

V = 65

U and V are also Supplementary (they are determined by the same transversal)

V + U = 180

65 + U = 180       Subtract 65

U = 180 - 65

U = 115

Don't be surprised by the result. Transversals and parallel lines create a lot of equal angles.

{3 + i, 3 - i, 3, -1}

step-by-step explanation: