Answer:
C
Step-by-step explanation:
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from 300 to 250 is well, just a change of 50 units.
if we take the 300 as the 100%, what is 50 off of it as percentage?

Answer: The area is 5x + 20
Step-by-step explanation:
Add all the numbers up.
7 + 4x - 8 = 3
13 + (x + 8) = (x + 21)
Therefore, your answer is 5x + 20
Let me know if you have any questions!
Your basically just adding 9 so 4 plus 9 is 13 and 13 plus 9 is 22