yes 11.5 is bigger than 8.5 by 3
Answer:
This is a sphere with a center
and radius 
Step-by-step explanation:
Given that: (x,y,z)
where;
d₁ is the distance from the origin = 
d₂ is the distance from (2,2,2) = 
Also;
d₁ = 2d₂

By squaring both sides;




Collect the like terms:


Divide both sides by 3


Using the completing the square method;


∴
This is a sphere with a center
and ;
radius; 

Answer:
5 + 1.5x = total cost
Step-by-step explanation:
5 is for one pizza and x is for toppings. For every topping it is multiplied by 1.5. for example, if you have 2 toppings for one cheese pizza it would be 5 dollars + 1.5x2 which is 3 so 3+5=8$ in total.
2/3 * 9/20 = 18/60
= 9/30
= 3/10
please like rate five stars and mark as brainlist