it takes sam 2/5 hours to walk 5/6 mile park loop. what is sam's unit rate, in miles per hour? (another question) the label on a 2 1/4 pound bag of tulip seeds states that it will cover an area of 562.5 square feet. based on this information, what is the number of square feet that 1 pound of tulip seeds will cover? answer one of the questions 

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

For which pair of functions is (gof)(a)=|a|-2?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.