Answer:
1/4
Step-by-step explanation:
i think you would add 5+4+3 and 2+3+4 and divide them so 9/12 and that makes your probability which leaves a 3/12 chance non of them are in favour of the book
B) 16
8s-4=7s+12
s-4=12
s=16
C. (X+2)(x-6)
Answer: y=4x+8