The last option: In his recursive formula, he should have the term an−1 instead of −4 to get an=an−1−3.
She had spent $78 on books but idk what to do with the book mark cuz it ask for the total # of books not book marks
Answer:
I dont know if they go together or if there apart.
Step-by-step explanation:
Answer:
3x - 7y = 9
Step-by-step explanation:
3x - 9 = 7y
Add 9 to both sides.
3x = 7y + 9
Now subtract 7y from both sides.
3x - 7y = 9 (answer).
