Answer:
Step-by-step explanation:
hello :
3b^4−6b^2+27b = 3b(b^3-2b+9)
The awnser is Shari is using the same ratio as Mark's
Answer:
subtract 9 then when u get the answer divide by 5
Step-by-step explanation:
Answer:
11 years
Step-by-step explanation:
7200 - 80x = 5000 + 120x
-5000 + 80x -5000 + 80x
2200 = 200x
11 = x