Не 6. In Figure 7.15 below, 0, is the center of the semicircle ABC.
BDI AC, DO = 3cm and BD =6cm. Find the radius of the circle.

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?