We can see from this survey that 7 teenagers prefer rock and roll.
The number of all teenagers in the survey is:
12 + 5 + 7 + 6 + 6 + 4 = 40
P ( rock ) = 7 / 40
Answer: C ) 7 / 40
The answer is 9 center is ( 1,0)
Here is you're answer:
In order to get the answer you have to find the common denominator then add.

- Find common denominator:

- Add:


- Simplify:


Therefore you're answer is "1/3."
Hope this helps!
Answer:
240 cubic units
Step-by-step explanation:
5*6=30 (the base they show)
30*8=240