Someone help me please i attached a picture...

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?