Please help due in 10 minutes

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?