Geometry, please answer question ASAP

The system of equations graphed below has how many solutions?

Select the number of ways in which a line and a circle can intersect

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?