How many different flags with 3 stripes are possible, using the colours RBY
red (R), blue (B) and
yellow (Y)? Each colour can
be used only once in each flag.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?