Question: Solve the proportion. 2x____ = 25___ x+3x Multiply: (2r+2)(2r-2) A plane can fly 540 miles with the wind in one hour less than it can

Solve the proportion.

2x____ = 25___

x+3x

Multiply: (2r+2)(2r-2)

A plane can fly 540 miles with the wind in one hour less than it can fly 480 miles against the wind. The average wind speed is 30 miles per hour. Find the speed of the plane in still air.

Multiply the polynomials y using the distributive property.

(8w + 7)(w-7)

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