Penny has 3 friends over after school, and they are hungry for an after school snack! they find 2/3 of a pie left over from dessert lastnight. if they split up the leftover pie evenly between the 4 girls, how much pie does each girls get to eat?

The depreciation per unit for a company

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )