20 what is the point-slope form of the line with slope −1/4 (fraction) that passes through the point (−2, 9)? a.) y-2 = -1/4 (x+9) b.) y-9 = -1/4 (x+2) c.) y+9 = -1/4 (x-2) d.) y+2 = -1/4 (x-9)

21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units