Geometry review: Which term can be defined as lines in the same plane that never intersect and are always the same distance apart?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Landon wrote that 3−2.6=4. which statement about his answer is true?