13, start with 24, right? 24 plus 6 is 30. 30 minus 12 is 18. 18 minus 5 is 13.
Answer:
4+7x
Step-by-step explanation:
Answer:
Volume of the cylinder = 
Step-by-step explanation:
Height(h) of the cylinder = 
Radius(r) of the base= 
Volume of a cylinder is:
= 
As,

Putting the values in the formula:
Volume is:

The volume of the cylinder is : 
X^2 -61 =20
X^2= 81x =9 x=-9