Find the value of y for given value of x.
1.)x+5; x=3
2.)7x; x=-5
3.)y=1-2x; x=9
4.)y=3x+2; x=0.5
5.)y=2x^3; x=3
6.)y=x/2+9; x=-12

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

Math it's appreciated. (picture provided)

Extra points! find the missing dimension! need asap