8 and 5 are factors of what number?​

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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.

Reflect the point (7,0) across the y-axis