Answer:
The GCF of 36 and 90 is 18
Each book costs $15. since he had 18 dollars left, you can subtract 18 from 108. then divide that answer by 6. 90/6 = 15.
Hope that helped!
Answer:
Mm I didn't get the picture
Reflex angle because straight is 180 and right is 90 and acute is less than 90
Answer:
Sorry,for the answer it is too difficult brother .