Which solution for the value of x is incorrect (3X+6)+ (4x-2) or 4x-2=3x+6

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?

Solve the system of equations. x=-2y+1 and x+2y=9. show work