D. Since you bought 3 text books you will have to multiply and then add the rest of the numbers
The answer is (x,y) —> (y,-x)
(15/100) then multiply that with 9.79 and you get $1.4685, which is the answer
1. C
2. A
3. B
Hope This Helped!
<u><em>(Brainliest will be appreciated)</em></u>
