2n+9+5n=30 combine like terms on left side
7n+9=30 subtract 9 from both sides
7n=21 divide both sides by 7
n=3
Answer:

Step-by-step explanation:
![\sqrt[3]{-729a^9b^6} =](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B-729a%5E9b%5E6%7D%20%3D)




Answer:
F
Step-by-step explanation:
The absolute value of B is 1 3/5 because although B is in the negatives, absolute value makes it positive.
Answer:
ummmmm ok u wanted someone to answer
Step-by-step explanation:
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