What is the length of the midsegment of a trapezoid with bases of length 14 and 28

50 points~ ! i have to turn this in tomarrow

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

What is the least common multiple of 8, 12, 7