8) Mency said two lines that lie in the same plane and are equidistant at all points and never intersect. What in the world is Mency talking about? A, an angle B. perpendicular lines C. intersecting lines D. parallel lines 9) What are the coordinates of the midpoint of the​

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days