20+x = 12+2x is the answer and x=8
Step-by-step explanation:
the volume of a cube is
side³.
since the volume is 27 m³, the individual side lengths are then the cubic root of 27 = 3 m.
the surface area is 6 squares of 3×3 = 9m², so in total
9 × 6 = 54 m²
Give me brainly and ill tell u
A: -5/18
B:1 and 16/35
C: 7/30
D: 7/8
