Pls help im having so much trouble with this along with my friends :(

7x+8y=-18, 4x-9y=-3 solve the system of equations

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

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?