9.
2(13-p)
2(13-2)=22
2(13-3)= 20
2(13-4)= 18
10.
3v+w
3*4+2=14
3*6+3= 21
3*8+4= 28
11. you cannot see enough to do the problem so what ever the problem is you take the numbers and replace x with them 2 for the first one= x then do the problem to get the answer.
