Answer:
c
Step-by-step explanation:
Given, y varies directly as x
So,

Where c is a constant
When y equals 5 when x is 8
So,

So, the relation between y and x

now , when x = 9
Substitute with x to find y

So, the answer is option 2. y = 45/8
Answer: The radius of a sphere is 6 units
Step-by-step explanation:
Answer:
The number of protons is the answer