Which system of equations has the same solution as the system

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

If u good at math hit me up on insta or sum @basic_jaiden or @ and