Answer:

Step-by-step explanation:
step 1
Calculate the volume of the cylinder (flower vase)
The volume is equal to

we have
-----> the radius is half the diameter

substitute the values
------> exact value
step 2
Calculate 2/3 of the volume

Answer:
144 inches is 4 yards
Step-by-step explanation:
I honestly do not know what to say here: it's already in decimal form. Please, if you made a mistake while typing in the problem, tell me.
I think the answer is no. I’m not sure. I’m sorry if incorrect
Answer:
D
Step-by-step explanation:
There are 1.61 km in 1 mi.
10 mi × (1.61 km/mi) = 16.1 km