Write the equation: the quotient of a number and 6 is the same as the sum of 13 and twice the number.

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.

W-16=-12 solve each one step equation plz

If a is a nonzero real number then the reciprocal of a is