Is somebody willing to answer this question

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11