18cms because if I take 6cms times 3cms it will equal 18cms.
180=90+50+x
180=140+x
x=180-140=40
X=40
Answer:
Obj B, by 1 g/cm^3
Step-by-step explanation:
Obj A = 12g / 8cm^3 = 3g / 2cm^3 = 1.5 g/cm^3
Obj B = 20g / 8cm^3 = 5g / 2cm^3 = 2.5 g/cm^3
2.5 - 1.5 = 1 g/cm^3
What the question? Tell me then I can maybe help
