Answer:
is there any more number because there should a more then one number
* can you write the other number because i can't do it without the number or you can just take the picture of the whole things.
Step-by-step explanation:
Doubling the radius of the cylinder will quadruple the volume.
Answer:

Step-by-step explanation:
The equation that will model this situation will be of the form
where
is the time in hours john has traveled since the gas station, and
is the distance.
Now we know that John has already traveled 20 miles when he is at the gas station, this means at
,
; or


Thus we have
.
Now we need to figure out 
When John reaches home 2 hours later he notes that he has traveled 30 miles, which means he has traveled 30 - 20 = 10 miles; thus we have


Now we have the full equation:

Answer:C
Step-by-step explanation:
It is not . There are multiple x values for the y values.