First you divide everything by 4 which will become b^2+2b-3=0
Then you can factor this which is
(b-1)(b+3)=0
B=1
B=-3 ... I think that's how you do it
Answer:
I believe that those triangles are not similar
Step-by-step explanation:
5 is 1.666 of 3
20/3=6.667
1.666 does not equal 6.667
if I did that correctly, they are not similar
Hope this helps!
The 4th term of the sequence can be determined as,

Thus, option (b) is correct.
Answer:
B
Step-by-step explanation:
Because 9 = 5 +4