Suppose a < -1. what must be true about the value of b so that ab < a? PLEASE HELP

Which is the completely factored from of xy^3-x^3y

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.

X2 + y 2 = 36 x + y = 6 solve the system of equations.