What is the value of x in the solution to this system of linear equations?
x + y = 4
X-y=6

A. 4
B. 6
C -1
D. 5

Which of the following of the following sets of side lengths could not form a triangle?

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

What is x and y intercepts for y=x+7