The first, third, and sixth are correct.
Answer:

Step-by-step explanation:
As given

i.e

As the mrs.Marina is going to make one half of the recipe .

We get

solving the above


Answer:
From what I know there is no q.
p=0 I put a slight explanation below.Hope it helps
Step-by-step explanation:
Ax^2+bx+c-p=x
Ax^2+bx+c-p-x=x-x
Ax^2+(b-1)x+c-p=0
Answer:
32 pi
Step-by-step explanation:
im sorry if im wrong im not the smartest haha