See attached photo for question and multiple choice answers

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

2x minus y equals 6, x plus y equals negative 3