6 feet:10 hours
multiply by 1.5 on both sides
9 feet:15 hours
answer: 9 ft
Density is mass per unit volume.
For the given material that has a mass of 44 grams occupying a volume of 6 cm^3, we divide the mass by the volume, i.e.
density of material = 44 grams / 6 cm^3 = 44/6 grams/cm^3 = 7.3 g/cm^3 (to two significant figures)
Which Statements?
You didn't put any Statements there
2(x+-9)
2(x-9)
Distribute
2x-18 is the simplified expression