Answer:
-27
Step-by-step explanation:
Multiply -3 times 9 to get -27. Check it by dividing -27 by -3. If you get 9 your correct.
Answer:
x = -1
Step-by-step explanation:
17x > -17, Divide both sides by 17
17x / 17 > -17 / 17
x > -1
We need more information before doing this.
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It depends upon what the radius was before it is increased by 1.
Basically, if the radius is doubled, the volume increases by 4,