A because it’s less likely to be a freshman
Answer:
200 people attended screen 1
150 to screen 2 and 150 to screen 3
for question 2:it's 265.1
Rotate the shape about its central axis by making it stationary.
Answer: Choice A. 
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Work Shown:

We have an equation: 432/?= 3/5
Cross multiply:
3*?= 432*5
⇒ ?= 432*5/3= 720
720 students use regular pencils~