Write an equation for a line perpendicular to y= -4x - 4 and passing through the point (4,-4)

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?