Answer: 45 books?
Step-by-step explanation:
10+15+20
=45
Answer:
L = 2w
A = L*W
A = 2w*w
A = 2w^2
its is 105
-1/5
8/15 - 11/15
(8-11)/15
-3/15
7
=(7-3)+6÷2
=(7-3)+3
=4+3
=7
