The graphs below have the same shape. What is the equation of the blue graph ?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

What is the quadric regression equation that fits these data

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c