Wow.... College is hard...???
Answer:
103
Step-by-step explanation:
(-8)²-3(-8)+15
64+24+15
103
Your answer is 1.5 if you multiply 15 by 10% you get 1.5 and if you ivide 1.5 by 10% you get 15 so you can find your answer and check it
hope this helps have a nice day.
The awenser of the problem is A