Surface area of cubic= 2( lb+bh+hl)
Length= 18 cm
Width= 5 cm
Height= 2cm

The answer is k=<span>160..............</span>
Answer:
6k^3(2 - 5k)
Step-by-step explanation:
12k^3 - 30k^4
Factor out 6k^3
6k^3(2 - 5k)
1) mean: 7. median: 6. mode: 10
2) mean: 83.8. median: 84. mode: none
3) mean: 20.7. median: 20. mode: 26 & 20