Factor the expression completely. If the polynomial is prime, state this as your answer.x4 - 81
A. (x2 + 9)(x + 3)(x - 3)
B. (x2 - 9)(x2 - 9)
C. (x2 + 9)(x2 + 9)
D. prime
Answer: A
Mathematics
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Solve the problem.Find the volume of an ice cream cone (right circular cone) of radius 3 cm and height 8 cm topped by a perfect hemisphere of ice cream of the same radius. (Round to the nearest hundredth unit.)
A. 207.2 cm3 B. 131.9 cm3 C. 188.4 cm3 D. 56.5 cm3
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the sum using the Commutative and Associative Properties.8 + 4 + 2 + 6 + 4
A. 20 B. 14 C. 24 D. 16
Mathematics
Evaluate the integral.
A. - 
ln
+ C
B. - 
ln
+ C
C. 
ln
+ C
D. - 
ln
+ C
Mathematics