What is the better estimate for the mass of a textbook, 1 g or 1 kg?

You are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

Aportion of a line bounded by two points is defined as

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle