She began with 20.
If she bought 7 more books and ended up with 17, that means she had ten beforehand. If she had half remaining, we simply double it, thus getting 20.
I think it is 28 but, i'm not completely sure. Hopes it helps
Answer: option B. The paper crease divides the line segment into 2 congruent segments.
This is true whenever you fold the paper in such a way that the edges of the segment overlap when the paper is folded. Then when you unfold the paper, the crease passes trough the middle of the segment showing two identical (congruent) parts.
Answer:
Volume of Cube = length cube
Total surface area=2(lb+lh+bh)
Volume of Cuboid=l×b×h
I think it will help you.
Answer:
-1/63 y^11
Step-by-step explanation:
= (-1/9 y^3)(1/7 y^8)
= -1/63 y^11