Answer:

Step-by-step explanation:
The figure is a cube
The surface area of a cube is equal to

where
b is the length side of the cube
In this problem we have
substitute

Answer:
13x + 11y
Step-by-step explanation:
3x and 10x both have x so we can add them
5y and 6y both have y so we add 5 and 6
The distance from earth to Neptune is greater. And it’s 1.0133 times greater. (I think)
I really can’t help you but I’ll wish look for you