Answer:
5
Step-by-step explanation:
Replace 20 instead of m
20/4=5
Answer: its is square pyramid or D
Step-by-step explanation:
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>
A or C because you have to add some things but also divide.