The answer would be D)90 degrees
Answer:
The answer is intersect
Step-by-step explanation:
Well, 4 times 7 is 28 and then plus 2 is 30! Therefore, he buy at the most 7 books.
-5/9
multiply by -1/-1
(-5*-1)/ (9*-1)
5/(-9)
Answer = 5 over negative 9
- 8 x 4 susbstract -10
-32 subtract -10
-32. - -10
= -42