Answer:
Keeping track of your debit card transactions
Step-by-step explanation:
I hope this helps
4.5=5
57.3=57
34.731=35
215.39=215
a)3a(x+y)-b(x+y)
=(3a-b)(x+y)
b)5y(2ay-by)+a(2ay-by)
=(5y+a)(2ay-by)