B. I hope this helped you a lot.
Answer:
A
Step-by-step explanation:
Put Y=0

Now

so A is right option
Answer:
Adam took 59 less pictures than Nicki. 78-19=59
Step-by-step explanation:
You do not need to know how many pictures Tessa took. Because you are only finding out how many fewer pictures Adam took than Nicki.
Dear Jay267, the percent of the cost of the bicycle Nina still has to pay is 94%.