Answer:

Step-by-step explanation:
Solve using the distance formula:

Input the corresponding numbers into the formula

Solve

1 yard=3 feet
therrfor
1yd/3ft=1
converrt 390 ft to yards
390ft/1 times 1yd/3ft=390yd/3=130yd
answer is 130 yard
Answer:
y=0
Step-by-step explanation:
[ ( x + 4 )( x + 5 ) + 4( x + 1 )( x + 5) - 5( x + 1 )( x + 4 ) ] / [( x + 1 )( x + 4)( x + 5 )] = ( x^2 + 9x + 20 + 4x^2 + 24x +20 - 5x^2 - 25x - 20) / [( x + 1 )( x + 4)( x + 5 )] =
( - 2x + 20 ) / [( x + 1 )( x + 4)( x + 5 )] = ( - 2)( x - 10) / [( x + 1 )( x + 4)( x + 5 )]
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