What is the line that passes through (2,0) and (0,1)

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Which math sentence can be used to determine if the triangle is a right triangle?