Put the given information into the formula and solve for the variable of interest.
.. V = π*r^2*h
.. 252π = π*r^2*7
.. (252π)/(7π) = r^2
.. 36 = r^2
.. 6 = r
The radius is 6 cm. Selection D is appropriate.
_____
We would prefer that the offered selections had the appropriate cm units attached.
Answer:
B
Step-by-step explanation:
You use the distributive Property
-3(x-3)
-3x+9
If you observe that 
, you can rewrite the expression as
Now, if you use the exponent rule 
, you may rewrite the expression again:
Answer:
-4
Step-by-step explanation:
-4/3÷2/-6
⇒ -4/3×-6/2
⇒ -24/6
⇒ -4
The answer is A the berry first one
