On Saturday, Justin drove 52 miles per hour for three hours. How far did he go?

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.

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

In the diagram, gef and hef are congruent. what is the value of x