Answer:
i think its b but im not 100 percent sure...
Step-by-step explanation:
10 years. Bill is 25, his sister is 5, and their mother is 60.
Answer:
1985 cubic units (written as un. with the cubed exponent)
Step-by-step explanation:
First, you find the volume of the cylinder
Here's the formula:

Now, you plug in and solve.

Then, you find the volume of the dome.
Here's the formula:

Now, you just plug in and solve.

Finally, you add them together, and there's your answer!

Hope this helped!
<em>brainliest?</em>
All the points if they lay on top of eachother
if they arent on top of eachother, they can intersect at 2 points