Which equation together with this equation below will give no solution? y = 3x - 7

Group of answer choices
y=2x-5
2y=6x-14
y=3x+15

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Is this a polynomial function? i need to know asap

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b