I don't know what posts are but i'm assuming you would subtract 21 from 17 and get 4.
Answer:
y = 4/5x
Step-by-step explanation:
Her ya go!
Answer:
-3x^2-4x-43
Step-by-step explanation:
factor out the negative signs
remove parenthesis
Answer:3.08e
Step-by-step explanation:mujwjwieekedkd
Here! not sure if it's right but i'm pretty confident. boom