Perform the indicated operations and simplify.
(x – 3y)(x² + 3xy + 9y²)
x³ – 27y³
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Solve the problem.A vertical right circular cylindrical tank measures 
high and
diameter. It is full of oil weighing 
. How much work does it take to pump the oil to the level of the top of the tank? Give your answer to the nearest ft ? lb.
A. 5,320,099 ft ? lb B. 10,640,197 ft ? lb C. 2,660,049 ft ? lb D. 44,334 ft ? lb
Write as mixed number.
A. 8
B. 
C. 7
D. 9
Identify the numbers from the given list that belong to the indicated set. 4, 
, -16, 0, 
, 
, 0.32, 0.
Rational numbers
A. 4, -16, 0, 
, 
, 0.32,
B. 4, -16, 0, 
, 0.32
C. 4, -16, 0, 
, 
, 0.32, 0.
D. 4, -16, 0, 
, 0.32, 0.
Solve the problem.The sum of a student's three scores is 224. If the first is 13 points more than the second, and the sum of the first two is 29 more than twice the third, then what was the first score?
A. 73 B. 86 C. 52 D. 65