Answer:
A and B are arithmetic sequences. they have a set and consistent increase/decrease in each term.
Step-by-step explanation:
3/8 is terminating decimal number. It's decimal value is 0.375
a
4 1/2
9÷2 is 4 with one left over 4 1/2
The tip amount is $2.23
Because...
14.85 x .15 = 2.2275
Rounding gets you your answer . Good luck (: