Can someone please help me???

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old

The graph below represents which system of inequalities? a. y< -2x+6 y< (or equal to) x+2 b. y< (or equal to) -2x+6 y c. y< 2/3 x - 2 y> (or equal to) 2x +2 d. none of the above

Answer for 15 points (look at the image)