Answer: 1/3 (p+45)
Step-by-step explanation:
when you multiply p by 1/3, a fraction, it kinda divides. the parentheses come first so that’s p+45=45p. 45px1/3 (or divided by three), is 15p
Answer:1 and 2
Step-by-step explanation:
Given
Volume needed 
For first cylinder





For second cylinder





For Third cylinder





For fourth cylinder





So, cylinder
and
are appropriate as it is under 
The answer is 3.3125 because 5÷16=0.3125 and 0.3125+3=3.3125.