Answer:
40
a triangle has 180 degrees
You can see that there are 6 rock CDs, over a total of

So, the ratio of rock CDs over the total number of CDs is

Which is 15%.
So, yes, the answer is A
Answer:
Solution given:
radius [r]=4
height [h]=5
we have
Surface area of cylinder=2πr(r+h)
=2π×4(4+5)
=<u>72πunits³ is a required volume.</u>
5+y+z I think x Something like that.
<span>((f-g)(4) means f(4) - g(4).)</span><span>im pretty sure the answer -59 </span>