Answer:
is the common ratio
Step-by-step explanation:
Common ratio(r) states that the ratio of each term of a geometric sequence to the term preceding it.

Given the sequence:
225, 45, 9, .........
Here,


and so on...
Using definition to find r.

After solving we get;

Therefore, the common ratio is, 
Answer:
10-8x
Step-by-step explanation:
because it is 10 minus 8x
but 8x is 8 times x
plz brainliest :)
Answer:
answer will be
Step-by-step explanation:
12
option d
Answer:
Yes
Step-by-step explanation:
According to google the anser is yes.
Answer:
9. a) 180 - (55+90) = a
b) a=35 degrees
10. a) 2w + 3w + 40 = 180
b) w=28
c) 2w=56 3w=84
Step-by-step explanation: