Answer:
Surface area of cube =6× l^2 (where l is the side of cube)
Therefire 6×9^2=6×81
=486in^2
Answer:
y=3
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
a^2 + b^2 = C^2
solve for b
b^2 = c^2 - a^2
square root on both sides of the equation and you get option b as your answer
I think is
4 x + 2y
256x + 16y