Answer:
86/100
Step-by-step explanation:
C because the most common factor would be 15 cus 15 goes into 15 once, 30 twice, and 60 four times which is an easy way of figuring out the the greatest common factor and I hope that helped :-)

⭐ Please consider brainliest! ⭐
✉️ If any further questions, inbox me! ✉️
Step-by-step explanation:
5-(-2)
5+2 (a minus and a minus together gives a plus)
=7
9+ (-2)
9-2
=7 (a plus and a minus gives a minus)
Yes it will give you the same answer as a minus and a minus together gives a plus and a plus and a minus gives a minus