Radius    of circle  o  has a slope of 2.5. what is the slope of the tangent line to circle  o  through point  a? 0.82.5-0.4-5

How can you construct perpendicular lines and prove theorems about perpendicular lines

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Which of these figures must be a rectangle?