Answer:
x^2-6x, 4x^2-1x,10x^2+8x,15x^2-3xy
Just use the distributive property like you have before and you will get these answers, Hope this helped!
T=d/v
540/(230+w)=380/(230-w)
540(230-w)=380(230+w)
124200-540w=87400+380w
124200-920w=87400
-920w=-36800
w=40
So the wind speed is 40 miles per hour.
i uploaded a vid on this here
https://www.you tube.com/watch?v=dQw4w9WgXcQ
I think A^3:B^
Explanation:
It is 3 dimensional, so the surface area would be 3x bigger, so A^3:B^