The mean of the numbers 15, 21, 17.26. 18,29 is 21. Calculate the standard deviation of the
numbers

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Line wx is parallel to line yz. if m