Answer:
70cm
Step-by-step explanation:
All you need to do is divide 161 by 7 and get 23 weeks
Associative property (associative laws)
Answer:
75.062c
Step-by-step explanation:
To find the missing side use pythagorean theorem
So 
Solve for b, b= 6.021
To find the area use
bh
So
(6.021+19)(6)= area
And you get 75.062