Billy and barbara can mow 1,600 square yards in 81 minutes. how long would it take them to mow 1,600 square feet?

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)