Nina can stitch 2/3 of a dress in 4 hours. if d represents the number of dresses and h represents the number of hours, which equation represents this proportional relationship?

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?