Aradio disc jockey has 8 songs on this upcoming hours playlist: 4 are rock songs , 2 are reggae songs, and 2 are country songs. this disc jockey randomly chooses the first song to play and then she randomly chooses the second song from the remaining ones. what’s the probability that both songs are rock songs?

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)