Answer:
F(a) =2a^2+4a+5
Step-by-step explanation:
just put x= a
I'm so sorry I wish I knew the answer to your question
Usually a ratio will compare two numbers by division
The answer to the questions is the second one
130x5=650
650-104=546
546-137=409
409-154=255
255-131=124
x=124
