Step-by-step explanation:

You start by distributing: 8s-4=7s+12
Combine like terms: 8s-7s=12+4
Solve and get your answer: s=16
Ratio walkers to riders 2:7
7/2=3.5
The bus riders are 3.5 times more than the riders
Did you ever get the answers sis i need them
F(x) = (x+6) (x+6) since this will sure into x + 6 ^2