Pllz HelpFind an equation for the perpendicular bisector of the line segment whose endpoints are (-2,-1) and (-6,-5)

How many 2/5s are in 1 and 1/2 plz someone me right now

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

Can anyone explain to me how to do this? anything will .