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no problem, i might have to hop back and forth with another person lol

SO for 22, the lighter sphere's diameter is 4, and the shaded sphere is 12

do you know the sphere volume equation?

V= 4/3(pi)(r)^3 ?

as for the question itself, you just find the volumes, and subtract from each other

yes correct!

But remember it is DIAMETER, and we want RADIUS, and to get that, we divide the diameter by 2

so is the diameter 8?

no, one of the diameter is 4, and one is 12

so find the radius of them both! and then plug them in

ohhh! I didn't see the 12 xD

so I do 4/3 * 3.14 * 6^3 ?

yes sorry! i was helping another person

And you would do the same for the other sphere, whose diameter is 4

and I get 1657.92 - 33.49 ?

How did you get 1657.etc

I plugged 4/3 * 3.14 * (6)^3

other one is right :)

Wow xD blonde moment there! Can you help with the other if you have the time? XD

Do you know the cylinder volume formula

v=(pi)(r^2)(h)

yes!

and to find the hieght it is the length of the prism, which is, you guessed it, 32

so then we just subtract the volumes from each other

hope i helped!!!!