i think its the 2nd or 1st one
rlly tried here!
The unit rate is 2 paintings per hour.
Answer:
(4.2 X 10,000) X (2 X 1,000)
42,000 X 2,000= 84,000,000
Step-by-step explanation:
Hope this helps
Answer:
Radius of sphere is 3 units.
Step-by-step explanation:
Volume of sphere is given by 
surface area of sphere is given by 
where r is the radius of the sphere.
Given that
The number of cubic units in the volume of a sphere is equal to the number of square units in the surface area of the sphere.
we equate formula of Volume of sphere and surface area of sphere
assuming r as the radius.
thus,

Thus, radius of sphere is 3 units.
Answer:
18/25
Step-by-step explanation:
And as any numbers can divide exactly both numbers, then “18/25” is the simplest form of “. 72”.