Given the table of preference schedules for smart phones, who is the condorcet winner

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2