Ava, carter, mark and their dad mow a different section of the yard . ava mows 1/12 , carter mows 2/12and mark mows 4/12 of the yard .their dad mows the rest .. draw a model to represent the yard . show the fraction of the yard their dad mows

Draw a 6-inch square. Every half inch, draw a line across the rectangle until you have 12 equal sections of 1/2 inch each. Color one of the sections red for Ava, color 2 sections blue for Carter, color four sections green for Mark, and shade the rest of the sections for Dad. Dad mowed 5/12 of the yard. 

i believe it's a.

i'm not sure on this one, most likely correct.

good luck!