In the first round of a card game, Niki scored 20 points. Then, she lost 10 points on one turn and an additional 25 points on her final turn.

Part A
Choose the number line that shows the change in Niki’s score.
A. Number line from -20 to 20. Start at -20. Count up by 5. 3 arrows are shown above the number line. 1st from 0 to -20, 2nd from -20 to -10 and 3rd from -10 to 15. B. Number line from -20 to 20. Start at -20. Count up by 5. 3 arrows are shown above the number line. 1st from 20 to 0, 2nd from 0 to -10 and 3rd from -10 to 15. C. Number line from -20 to 20. Start at -20. Count up by 5. 3 arrows are shown above the number line. 1st from 0 to 20, 2nd from 20 to -5 and 3rd from -5 to 5. D. Number line from -20 to 20. Start at -20. Count up by 5. 3 arrows are shown above the number line. 1st from 0 to 20, 2nd from 20 to 10 and 3rd from 10 to -15.
Part B
What is Niki’s final score? Enter your answer in the box.