Answer:
I'm in 10th grade so I'll see what I can do and will answer to the best of my ability.
Step-by-step explanation:
What Julie did wrong was, she did simplify she just did it wrong. She used 4*8 which does equal 32 but 8 can't be simplified anymore than that. If she would of used 2*16 then her answer would be right.
Hope this helps!
It’s the heigh. Times the radius and volume
h= V/r
Answer:

Step-by-step explanation:

combine like terms first
15p-12=59
add 12 ro both sides
15p=71
p=4.733