3
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Answer:
Step-by-step explanation:
so i am confused what exactly do you want me to do?
The width would be x-4 and
Length would be x
Add all of the sides together
(x-4)+(x-4) + x + x =72,
Which would come out
4x-8=72
Subtract 8 fro, 72 and you get 64
Then divided 64 by 4
So. Width is 16 and length is 20 . given (x-4)
The scientific notation:


Used:

Answer: (4 × 10⁸)² = 1.6 × 10¹⁷
Answer:
Lines m and n are parallel.
Step-by-step explanation:
< 6 and < 14 are both equal to 72 degrees and they are corresponding angles for lines m and n.