Determine whether the polynomial is a sum of cubes, a difference of cubes, or neither.x3 - 27
A. Difference of cubes
B. Neither
C. Sum of cubes
Answer: A
Mathematics
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The decibel scale is a logarithmic scale.
Answer the following statement true (T) or false (F)
Mathematics
Use the elimination method to solve the system of linear equations. x + 6y = 26-3x + 6y = 18
A. (3, 3) B. (-4, 2) C. No solution D. (2, 4)
Mathematics
Solve the problem.The weights (in pounds) of the five books in Lynn's backpack are as follows: 2.8, 3.1, 3.2, 2, 1.2 What is the mean of these weights? Round to the nearest tenth.
A. 2 pounds B. 3 pounds C. 2.5 pounds D. 2.1 pounds
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 
B. x - 4
C. 
D. x + 8
Mathematics