1 2 3 4 5 6 7 8 9 10 Two parallel lines are crossed by a transversal.

Parallel lines u and w are cut by transversal t. At the intersection of lines u and t, the bottom left angle is 105 degrees. At the intersection of lines w and t, the uppercase right angle is g degrees.
What is the value of g?

g = 75
g = 80
g = 100
g = 105