Step-by-step explanation: emma's amount be X . justin has $7.50+x because he has $7.50 more than emma.Since emma has 7.50+x-$12.to get everyones amount add what they have together which is=$7.50+x+$7.50+x-12 which in total is $63.00.after the calculations you get x=30.now distribute the x equally. so justin has $7.50+30=37.50.we also distribute it with emma's which is 7.50+30-12=25.5.
A reflection is called a rigid transformation. It preserves congruence of sides and of angles. This means that reflecting the hexagon across the x-axis will not in any way change the size or shape of the figure, just the positioning.
Since the size and shape are the same, the areas will be the same.