Answer:
pretty sure its A?
Step-by-step explanation:
EDGE 2020
Answer: 3x(9x^2+1) or C on edge
b. 7
n + 9 > 20
n > 20 - 9
n > 11
1st you want to find a common denominator. which is 8.
2nd change to
3rd you add and together an you get