Line is the perpendicular bisector of bc with −2, −1) and , 1).
a. what is the midpoint of bc?
b. what is the slope of ?
c. what is the slope of line (remember, it is perpendicular to bc.)
d. write the equation of line the perpendicular bisector of .

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120