5 possibly cause the state of numbers have a typical pattern! NOT SURE THO!!! but a little help! <3 goodluck.
Answer:

Step-by-step explanation:
According to the problem, calculation of given data are as follows,
Volume of cylindrical vase = 
As, Cone has same height and radius as cylinder, than we can calculate volume of cone by using following formula,
Volume of cone =
× Volume of cylindrical vase
By putting the value, we get
Volume of cone =
× 63
Volume of cone = 
Combine like terms to get 2y2-2y+4x
The answer to the following equation is the first one.
Answer:
6.3 inches
Step-by-step explanation:
5/9 = 3.5/x
5x = 31.5
x = 6.3