EOF Is A 80 Degree Angle FOB Is A 180 Degree Angle BOC Is A 90 Degree Angle.
Answer:
the answer is -30
Step-by-step explanation:
| 2 4 |
| 3 -9| = ( 2 * (-9) ) - ( 4 * 3)
= - 18 - 12
= -30
First you would subtract 18 from 110 and get a result of 92 then divide by 4 and get 23 so each book is 23 dollars hope this helps mark as brainlist
Answer:
what!!!!!!!!!!!!!!!!!! so only for dudesssssssss
