What is the perimeter of quadrilateral dobc? 14 units 16 units 22 units 28 units?

Rationalize the denominator- 12x/√x-10

Ithink i know it but i want to be sure so can you me out ?

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work