Find the population standard deviation Mens Heights (Inches)
67
67
73
64
70
69
67
68
69
77

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

How do i simply this radical expression?

Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person