Answer:
OMG I KNOW THE ANSWER!!!!!!!!
Step-by-step explanation:
its b.
company b
as annas age =x
arbys age=y
y=7x-6
All work and answers are in the picture
51x
3x^3 - 7x + 3x^3 + 4x
27x - 7x + 27x + 4x
20x + 31x