Answer:
I think it 1 but I may be wrong
Step-by-step explanation:
Answer:
Perimeter = (lenght×2) + (width×2)
Perimeter = (2.5n×2) + (2×(4n+5))
Perimeter = 5n + 8n + 10
Perimeter = 13n + 10
The Answer is D
Answer: 225km
Step-by-step explanation:
3cm --- 150
1cm ---- 50
Therefore 4.5cm * 50 = 225km
Step-by-step explanation:
That's the system of numbering in indian system it is like thousand lakh ten.lakh crores and in international it is thousand ten thousand and hundred thousand and million
Answer: x = 20, y = -15
Step-by-step explanation:
Since we already know that 
, we can just substitute in that value of y into the other equation:
with the value of x, we can find the value of y:
