Identify the transformation that maps the regular pentagon with a center (0, -2) onto itself.
a) reflect across the x-axis
b) rotate 90° about the point (0, -2)
c) rotate 144° about the point (0, -2)
d) rotate 180° about the origin (0, 0)

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?