Answer:
-11
Step-by-step explanation:
I believe you just have to draw 2 little lines in between AB and CD.
You got 8 questions wrong.
10% of 50 is 5.
x8 x8
________________
80% of 50 is 40.
84% of 50 is 42.
50-42= 8 questions wrong.
Answer:
Perimeter = (lenght×2) + (width×2)
Perimeter = (2.5n×2) + (2×(4n+5))
Perimeter = 5n + 8n + 10
Perimeter = 13n + 10
The Answer is D
