I am not very good you should probably ask someone else sorry
Answer:450
Step-by-step explanation: If you add 150 to 150 that will give you 300.If you add 300 to 100 that will give you 400.Finally if you add 400 to 50 that will give you 450.
Your answer is: 450 students
Answer:
do the work on your calculator to double check yourself :)
Ask your teacher for help you didn't give us a lot of details at all . Sorry I could help you .
Answer:
V=706.85
Step-by-step explanation:
Well, first of when you want to find the volume of the cone you need to have a radius and hieght. And the radius is half the diameter, so divide the diameter into half: 10/2=5 in. and you already have the height so just plug in the numbers.
Formula: V= 

h ---> V= 
(
)(27)
And put the plugged in formula in your calculator and you'll find the answer!
V=706.85
I hope this helped.