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. Choose the number line that shows the change in nikis score

Situation: find the age of the skull to the nearest year, enter the correct answer. a hiker in africa discovers a skull that contains 32% of its original amount of c- 14. done n = noekt 00000 no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years