Step-by-step explanation:
Okay, to find the ratio, add up all the numbers of DVDs.
You should end up with 36 DVDs.
The question states that you need to find the ratio between the action DVDs and the total amount of DVDs.
The amount of action DVDs is 12.
Now take 32 and 12, the ratio of the action DVDs and the total amount of DVDs to get your ratio.
The ratio is 12 out of 31, or 12:32
The volume of a cylinder is 
- r is the radius (half of the diameter which is 34m) --> 17m
- height: 27m
: 3.14
Thus the volume = 
Hope that helped!
Surface area is the area that is on the outside of a figure and will be used when you have to cover something, but a volume is an area inside an object and is used in finding the amount someone can hold within something else.
Answer:
Niko purchased 31 raffle tickets.
Step-by-step explanation:
$23.25 ÷ 0.75 = 31.00
