Zagia is taking a bicycling trip across the United States. Her destination is 3,150 miles away. If Zagia travels 90 miles per day, how far does she have left to travel after 20 days of bicycling?

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142