16. lionel finished four rounds of a golf
tournament. his combined total score
after playing all four rounds was –10. his
scores on the first three rounds were
-4, -2, and -6. what was his score on
the last round? justify your answer.

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Tom drove 206 miles in 3.9 hours. estimate his average speed.