Answer:
-3x + 8
Step-by-step explanation:
Simplify. combine like terms (terms with the same amount of variables).
Subtract -2x and x: -2x - x = -3x
-3x + 8 is your answer.
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Answer:
1.5 is the answer
Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
Answer:

Apply the formula for sum of cubes: 
Therefore:


So the formula of the volume of a sphere is

Just plug in 2 in the r variable and solve:

Your volume is 33.49 cm^3