Aparticular circle in the standard (x, y) coordinate
plane has an equation of (x − 5)2 + y2 = 38. what are
the radius of the circle, in coordinate units, and the
coordinates of the center of the circle?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same