It should be B. 15.
I think ..
900 as a fraction is 9000/10
Answer:

Step-by-step explanation:
g = 3y -9
start by adding 9 to each side:
g + 9 = 3y
now divide by 3 on each side to get y alone:

hope this helps!
Answer:

Step-by-step explanation:
Answer:
a) eight and seven ninths minus three and four sixths
Step-by-step explanation:
The required result is 
a)

b)

c)

d)
