
so,

it equals 12.49 or 12.5 depending on rounding
I hope this helps!
Im pretty sure it’s going to be a, because when you divide by the -6 you’re supposed to switch the sign
63. it's a cube so all you have to do is find the surface area of one side and multiply it by 6 (or you can use the actual formula)
side length^2= 8^2=64
64*6=384cm^2
Answer:
9/10
Step-by-step explanation: