Step-by-step explanation:
D I believe the answer is
126/7 = 18
18 books per box
we know that s = 3, so plug it in.
P = 6(3)
P = 18
perimeter = 18 km
Answer:
2
5-3=2 you subtract to get the answer
1) 2(t+1)(t−7)
2) 7 months