Answer:
A and B
Step-by-step explanation:
(x+p)(x+q)
x²+xq+px+pq
x²+(xq+px)+pq
where ( xq+px) =b
and p.q =c
15.7 is already rounded to the nearest 10th.
The third one is a rational number
This is because the square root of 36 is 6 and the square root of 225 is 15. So the simplified problem for 3 is 6/15 or 2/5
