Answer:
40
Step-by-step explanation:
10n+40+n+30=180
n=10
4n=4(10)=40
n+30=(10)+30=40
Surface area of a cube = 6a²
where a = the length of a side.
6(2/3)² = 6(4/9) = 24/9 = 8/3 units² or 2 2/3 units²
Answer:
Step-by-step explanation:
i dont think thats possible without the y value
I believe it'd be the one with the smiley emoji