I need help with this problem ​

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?