Answer:
The volume is x times x times x which is x^3 :)
'nine less than three times a number is negative twenty-one.'
Answer:
4x²×(1+7x)
Step-by-step explanation:
Combine like terms
5) = 4
8) = -5a -12
11) = 4b - 6
hope it helps
Answer: true
Step-by-step explanation: