Answer: c
Step-by-step explanation:
if the output is 4, a has to be somewhere at y=4
{-4.5,-2,1} are all possible
so c, {-2,1}
Answer: you just have to memorize it it will take time but its better doing it now than in 20 years
I think the answer is 21x+35y
So you will ad $15+$10 witch you will get $25 then you will divided by 50 and you will get $15.2 i hope this helps:)
