30 miles per 1 gallon , all what u need to do is divide 600 by 20 so you can get the answer
Answer:
<h2>-22 and -20</h2>
Step-by-step explanation:

Answer:

Step-by-step explanation:
subtract the functions as follows:
s(x) - r(x) = (2x+1) - (-x2 +3x)
expand the 2nd bracket by multiplying it by the negative 1 outside
= 2x + 1 + x2 - 3x
= x2 - x + 1
Voila!