Someone help please (worth 50 points!!)

The table shows the distance traveled over time while traveling at a constant speed.

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.