-5/9 + (-4/3) - 2/3 = ?

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

Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²