Please help! A math QUESTION​

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .

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